It depends on whether you are installing the 32bit or 64bit OS, if you have 32 bit installed use the 32bit here http://support.amd.com/us/kbarticles/Pages/CatalystAGPHotfix.aspx
it could even be the same.
Thankyou for your great advice, I'll go ahead and purchase the AGP version of the graphics card, and go for it. wish me luck, I only have a windows performance figure of 2.1 using an older Zeus 5500 8x card. Have a great weekend.