Cg 2.0 is out!
Seems to have added the missing DX10 features like geometry shaders and fixed some bugs.
Too bad FXComposer 2 hasn’t been updated yet:
Personally, I steer artists towards Mental Mill (bundled for FREE with FX Composer 2) as FXComposer is insanely programmer-centric.

Another free tool (now bundled with XNA) is MaPZone which creates tileable textures (or raw procedural textures if you are using ProFX):

Add comment January 5th, 2008