Planar Systems, Inc.

(Name of Issuer)

Common Stock

(Title of Class of Securities)

726900103

(CUSIP Number)

October 27, 2009

(Date of Event Which Requires Filing of this Statement)

Check the appropriate box to designate the rule pursuant to which this Schedule is filed:

*The remainder of this cover page shall be filled out for a reporting person's initial filing on this form with respect to the subject class of securities, and for any subsequent amendment containing information which would alter the disclosures provided in a prior cover page.

The information required in the remainder of this cover page shall not be deemed to be "filed" for the purpose of Section 18 of the Securities Exchange Act of 1934 ("Act") or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see the Notes).

1)	Name of Reporting Person I.R.S. Identification No. of Above Person (Entities Only)	Costa Brava Partnership III L.P. 04-3387028
2)	Check the Appropriate Box if a Member of a Group	(a) o (b) o
3)	SEC Use Only
4)	Citizenship or Place of Organization	A Delaware limited partnership
Number of Shares Beneficially Owned by Each Reporting Person With		5)	Sole Voting Power	1,084,700
		6)	Shared Voting Power	-0-
		7)	Sole Dispositive Power	1,084,700
		8)	Shared Dispositive Power	-0-
9)	Aggregate Amount Beneficially Owned by Each Reporting Person	1,084,700
10)	Check Box if the Aggregate Amount in Row (9) Excludes Certain Shares	o
11)	Percent of Class Represented by Amount in Row (9)	5.6% *
12)	Type of Reporting Person	PN

* Based on 19,226,734 shares of Common Stock outstanding as of October 2, 2009, as reported in the Proxy Statement on Schedule 14A filed by the Issuer on October 16, 2009.

1)	Name of Reporting Person I.R.S. Identification No. of Above Person (Entities Only)	Roark, Rearden & Hamot, LLC
2)	Check the Appropriate Box if a Member of a Group	(a) o (b) o
3)	SEC Use Only
4)	Citizenship or Place of Organization	A Delaware limited liability company
Number of Shares Beneficially Owned by Each Reporting Person With		5)	Sole Voting Power	1,084,700
		6)	Shared Voting Power	-0-
		7)	Sole Dispositive Power	1,084,700
		8)	Shared Dispositive Power	-0-
9)	Aggregate Amount Beneficially Owned by Each Reporting Person	1,084,700
10)	Check Box if the Aggregate Amount in Row (9) Excludes Certain Shares	o
11)	Percent of Class Represented by Amount in Row (9)	5.6% *
12)	Type of Reporting Person	OO - Other

* Based on 19,226,734 shares of Common Stock outstanding as of October 2, 2009, as reported in the Proxy Statement on Schedule 14A filed by the Issuer on October 16, 2009.

1)	Name of Reporting Person I.R.S. Identification No. of Above Person (Entities Only)	Seth W. Hamot
2)	Check the Appropriate Box if a Member of a Group	(a) o (b) o
3)	SEC Use Only
4)	Citizenship or Place of Organization	A United States citizen
Number of Shares Beneficially Owned by Each Reporting Person With		5)	Sole Voting Power	1,084,700
		6)	Shared Voting Power	-0-
		7)	Sole Dispositive Power	1,084,700
		8)	Shared Dispositive Power	-0-
9)	Aggregate Amount Beneficially Owned by Each Reporting Person	1,084,700
10)	Check Box if the Aggregate Amount in Row (9) Excludes Certain Shares	o
11)	Percent of Class Represented by Amount in Row (9)	5.6% *
12)	Type of Reporting Person	IN, HC

* Based on 19,226,734 shares of Common Stock outstanding as of October 2, 2009, as reported in the Proxy Statement on Schedule 14A filed by the Issuer on October 16, 2009.

Seth W. Hamot is the president of Roark, Rearden & Hamot, LLC, which is the general partner of Costa Brava Partnership III L.P. Seth W. Hamot, Roark, Rearden & Hamot, LLC and Costa Brava Partnership III L.P. are each referred to individually as a “Reporting Person” and collectively as the “Reporting Persons”. All of the securities reported herein as owned by the Reporting Persons are held by Costa Brava Partnership III L.P.

The principal business address of each of the Reporting Persons is 420 Boylston Street, Boston, MA 02116.

Seth W. Hamot is a United States citizen. Costa Brava Partnership III L.P. is a Delaware limited partnership. Roark, Rearden & Hamot, LLC is a Delaware limited liability company.

Item 3. If this statement is filed pursuant to §§240.13d-1(b) or 240.13d-2(b) or (c), check whether the person filing is a:

The information requested in these paragraphs is set forth in Items 5 through 9 and 11 of the cover pages to this Schedule 13G, and is incorporated herein by reference thereto.

Item 7. Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on By the Parent Holding Company or Control Person.

By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect.

The Reporting Persons have agreed that this Schedule may be filed by Seth W. Hamot on behalf of all of them jointly pursuant to Rule 13d-1(k)(1). A copy of such agreement is attached as Exhibit 1 to this Schedule.

After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

(i) Each of them is individually eligible to use the Schedule 13G to which this Exhibit is attached, and, in compliance with the provisions of Rule 13d-1(k) promulgated under the Securities Exchange Act of 1934, as amended, that the Schedule 13G to which this Exhibit is attached, and any amendments thereto, will be filed with the Securities and Exchange Commission jointly on behalf of each of them; and

(ii) Each of them is responsible for the timely filing of such Schedule 13G and any amendments thereto, and for the completeness and accuracy of the information concerning such person contained therein; but none of them is responsible for the completeness or accuracy of the information concerning the other persons making the filing, unless such person knows or has reason to believe that such information is inaccurate.

	COSTA BRAVA PARTNERSHIP III L.P.
	By:	Roark, Rearden & Hamot, LLC, its General Partner
	By:	/s/ Seth W. Hamot
		Name: Seth W. Hamot Title: President
	SETH W. HAMOT
	By:	/s/ Seth W. Hamot
		Seth W. Hamot
	ROARK, REARDEN & HAMOT, LLC
	By:	/s/ Seth W. Hamot
		Name: Seth W. Hamot Title: President