Just got word that Knyz has posted a new version of the Spirit Driver. Spirit Driver V1.5 are based on Official Catalyst 4.8. Changelog :

Best quality in 2D,3D D3D/OGL Optimizations (Far Cry , DOOM3,BF Vietman,BF 1942,Sacred,Lock On,IL2,Splinter cell 1 et 2,UT2004,Rainbow Six 3,etc..) Bug fix Radeon 9600 9800XT softmod is back DIVX/DVD/SVCD... optimizations X800 Softmod has been turn off Bugs Fixed (Halo,Deus EX 2) You can grab them @: RadeonTheTop.com
Best regards
Knyz