F18 Catalyst Driver woes

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http://forums.fedoraforum.org – I installed the catalyst driver from RPM (12.11 beta) and in order for my system to boot I have to add nomodeset to the kernel line, otherwise X starts, but the desktop fails to load (get a black screen with a cursor, AMD watermark, and a few blue dots at the bottom). However, when I use nomodeset, transparency doesn't work in the gnome dash (background is just black) which really affects the usability of the theme I'm trying to use. I feel like I shouldn't have to use nomodeset to boot, which makes me thing something is configured wrong. Any ideas? (HowTos)