2xMSAA is very rare on PS3 and 4xMSAA even rarer. Quincunx has pretty much hobbled the system for cross-platform titles for all its days.
http://forum.beyond3d.com/showthread.php?t=46241
PS3
2xMSAA = 29 retail games
4XMSAA = 5 retail games
360
2xMSAA = 87 retail games
4XMSAA = 39 retail games
It just wasn't meant to be.







