Yeah I had the same problems trying to use the 2.0 version on my radeon 9800 pro, and just like old_bill I can't get it to work....

In all honesty I have been trying to implement any shader today, including the code from the manual for a basic bump map shader and im struggling there...

If anyone knows how to solve the problems Old Bill mentions and or someone wants to take the time to help me get ANY shader running I would really appreciate it....

Last year I managed to get the multi texture terrain working, but since then lots of new stuff is out there, at the time I think it was like pixel shader 1.4 or something... so its been a while and it looks like everything I learned then (which was not a gr8 load) has flown the rusty old brain...