Antialiasing mode n Quincunx Antialiasing......does it help?

Antialiasing mode n Quincunx Antialiasing, we all know it improve in our gamin xperience when turn on. But does it effect d quality image in divx movie when turn on ??????
Or izzit better to left it off when watch divx....cos sometime bsplayer when pop error Msg n sometime it doesnt when its set to on mode.
Curious....

[JTHawK#2]

Quincunx Antialiasing dosnt effect videos .. its just for direct 3d and opengl applications ... video playback is just an overlay or rgb method ..