thx for the help guys, i checked sysWOW and only had 60 instead of 71. I downloaded the file off A guys post and that worked.... but now it wants MSVCR71.dll I have no idea how many dlls this thing needs that i dont have. Shame it doesnt come packaged with them.
Btw this is the file i downloaded that is requiring the dlls that i dont have. GPU Gems 2 CD
its CHapter 31 cd part called '31.zip' and the matching text if your interested is here...GPU Gems - Chapter 31. Mapping Computational Concepts to GPUs
I must say Nvidia are making some amazing stuff and i bought their gpu gems 3 book and read through the chapters that interested me. Seems that its very hard to get started with something though. None of their demos seem to work for me, missing dll's, wrong OS, wrong IDE etc. The theory should work and was going to try doing with some basic HLSL combined with textures but apparently limited and really need to get to grips with cg. Doh!