Found a good graphics power usage roundup:
http://archive.atomicmpc.com.au/forums.asp?s=2&c=7&t “54
Looks like the
ATI HD4670 ______________#¦)######}| 10W-70W %
Is the way to go. 10W at the low end and 70w for serious crunching.
Might be able to tweak that using the RivaTuner utility
so now onto power supplies