I found these browsing around, they work and work well. Do before and afters of 3DMark and find out. Haven't had any problems with games. You will need to uninstall all instances of Microsoft Visual C++ via the Control Panel after uninstalling your old drivers and installing these. Or you can just follow this guide for a fresh reinstall: http://forums.techpowerup.com/showthread.php?t=52502 You will need to register with AMD to get these (anyone can do it). You will also need a HD 48XX or 58XX series video card. Here is the link to the download page: http://developer.amd.com/gpu/ATIStreamSDKBetaProgram/Pages/default.aspx#five The download is listed as: ati-opencl-beta-driver-v2.0-beta4-"your O/S here".zip (XXXMB) You can also download the Stream SDK 2.0 Betas through the link. First install the developer kit, then the sample kit. Have fun! *This was already (kind of) posted here already in News about the revealing of Hemlock here.