Well duh. But I want some more recent data.

Post what video card you use, how much it costs, and your average Mhash/s.
Hopefully we can get some good data out of this thread.

Can you perhaps post a detailed guide or pm me one?

I'm planning on setting up a cluster of 40 (yes 40) Sapphire 5830 between 20 rigs in the near future.