If you guys are too chaep to purchase a laptop, why not check out EBAY. I've seen 386 and 486 latpops go for as much as $20-$40 with everything installed.

If you're just going to sequence, you don't need a very fast computer, or a huge amount or memory.

I've also seen good condition 68xxx Mac laptops go for real cheap as well - Around $25-$50.

The Infamous EPU.