This tuner works great in normal view. It also initializes and starts fine in Theater View. However, it crashes once you try to go back a menu or view the tv guide while playing TV. This has been reproducible for awhile, however, I thought it might be due to the immature nature of Windows 7, so I didn't want to let you guys know until I had the RTM version of Windows 7 AND a stable Windows 7 driver for this TV Tuner. These are now available, and the crash still occurs. Detailed steps to reproduce crash:
1. Use a WinTV-HVR-2250
2. Start up Theater View
3. Go to TV Guide
4. Start a channel
5. Go 'back'
6. Crash should occur.