I won't have the chance to start for a week, so i was just curious to what you guys might think. They are pieces of crap, but with 20 of them i thought I may have something decent and I was wondering what hash rate one might get with all those computers. Here are the specs:

Intel Celeron D: 3.06 GHz
RAM Installed Size: 4 GB
Hard Drive Capacity: 80.0 GB
Graphics Processor / Vendor: ATI RADEON X300
OS: Windows XP Home

NOTE: I have access to 20.