Today I got two Dell Dimensions from work after utilizing a newer computer to handle the chores these two performed. While they aren't the fastest things in the world, their parts will help my Macs out a great deal.

Dell Dimension L433c

Celeron 433mhz

320MB RAM (1x256MB, 1x64MB)

CD-ROM drive

6.4GB and 120GB IDE hard disks

Dell Dimension L566cx

Celeron 600mhz

256MB RAM (2x128MB)

52x CD-RW drive

10GB and 40GB hard disks