I'd recommend the 5.16 drivers. If you have a Guillemot/Hercules 3D Prophet DDR-DVI you can get a customized set including all the 3D Prophet features here:
And prices are down - today on http://www.pricewatch.com you can find a VisionTek DDR card for only $202. I've got mine running on a Soyo SY-6BA+IV BX-chipset mobo with no problems at all.
1.Old Antec Case, Asus PC-DL, 2 x 1.6 LV D1 Xeons @ 3 GHz, 2GB Corsair PC3200 @ 200 MHz, Chaintech 6800 128MB AGP
2. Old Crap Beige Case, Gigabyte GA-H55M-S2H, Core i3 530, 4GB CL8 OCZ DDR3-1600, eVGA GTX465
3. Asus Pundit mATX Case, MSI AMD Zacate E350/dual core E350IS-E45 mini-ITX, 4GB CL9 Crucial Ballistix DDR3-1333, LG Blu Ray/HD DVD & DVD Burner