Regarding those testing 1080p:
Pay attention to these notes:
06 - 1080p/24 support – Added information to the Miscellaneous Options screen displaying TV’s reported resolution support on the HDMI output
06 - 1080p/24 support – Added TV resolution option for 1080p. This must be enabled for 1080p to work while in native mode.
06 - When reporting issues with 1080p, please include the TV resolution information reported from the Miscellaneous Options screen.
You'll need to enable 1080p in the TV setup screen. Also, check out the misc options menu screen to see what your TV reports that it can support.
Lastly, include that info when reporting anything regarding 1080p, in this thread or the dedicated 1080p test thread.