If your mirroring goes outside of your tv screen, a good setting for me is: 1140*640
Stock Browser works really good. Type about:debug in browser and change UAString to Desktop if you want a more desktop looking browser. Youtube streams great from inside the browser. No flickering there.
Angry Birds runs great, no flickering. Very tiny Lag. So tiny, doesn't really affect the game at all.
The homescreen is smooth as well.
Email, Messaging apps, running good too.
Google maps is ok. It flickers a little bit every 6-7 seconds but is still usable.
Youtube App does not run good at all. Lots of flickering. But does run great via hdmi natively without running this app.
Sprint TV is running nice. When you click on a channel, loading screen looks wierd, but then the streaming comes on and looks great.
NOVA runs really really good. No lag what so ever.
Im testing this on: Fresh 3.5.0.1