I just got my Athlon 550 down to a nice chilly 35degC, so I'm going to overclock it a bunch, get another 256MB of SDRAM while it's cheap and be happy with 384MB of SD
Win2000 should like that.
I agree with this sentiment:
<< I want the platform stability issues to be ironed out. I'm sure DDR platforms will have some stability issues (maybe not as a direct result of DDR though). >>