I'm using Game Capture to capture Quake Live, and it's working great so far with one exception. If at any point I do vid_restart in the console, which is necessary for certain graphic settings changes to take effect, OBS crashes. Very easily reproducable.
Log: https://dl.dropbox.com/u/3426972/2013-01-05-0128-52.log
Crash log: https://dl.dropbox.com/u/3426972/OBSCra ... 1-05_1.txt
Crash dump: https://dl.dropbox.com/u/3426972/OBSCra ... 1-05_1.dmp
Log: https://dl.dropbox.com/u/3426972/2013-01-05-0128-52.log
Crash log: https://dl.dropbox.com/u/3426972/OBSCra ... 1-05_1.txt
Crash dump: https://dl.dropbox.com/u/3426972/OBSCra ... 1-05_1.dmp