Chris Muller uploaded a new version of SUnitGUI to project The Trunk:
http://source.squeak.org/trunk/SUnitGUI-cmm.51.mcz

==================== Summary ====================

Name: SUnitGUI-cmm.51
Author: cmm
Time: 11 January 2011, 6:57:04.788 pm
UUID: 6bbc5317-368f-45e7-ac64-f7357f92df19
Ancestors: SUnitGUI-bp.50

TestRunner now properly honors the Reuse Windows preference.

=============== Diff against SUnitGUI-bp.50 ===============

Item was added:
+ ----- Method: TestRunner>>classesSelected (in category 'accessing') -----
+ classesSelected
+ 	^ classesSelected!

Item was added:
+ ----- Method: TestRunner>>postAcceptBrowseFor: (in category 'accessing-ui') -----
+ postAcceptBrowseFor: aModel
+ 	"Nothing to do."!

Item was added:
+ ----- Method: TestRunner>>representsSameBrowseeAs: (in category 'accessing-ui') -----
+ representsSameBrowseeAs: anotherModel 
+ 	^ self class = anotherModel class
+ 	and: [ classesSelected = anotherModel classesSelected ]!