Nightfire, have you tried the /etc/powervr.d/ trick? (There's more than one hildon-desktop.ini file) - I don't get -any- tearing on panning now. Also, you just -might- want to look into BackupMenu so that you don't have to reflash if Xorg fails to boot and you have to reflash or something...
[hildon-desktop] WSEGL_UseHWSync=1