My 12 y/o son is so excited. Found him a pristine Mid-2010 27" iMac for $100. Going to give it the SSD upgrade but he's stoked to start recording music with it :
Benchmarks: OWC TurnKey Upgrade/Installation Program for Apple iMac 27" 2010 Models (iMac11,3) - Add Solid State Drive (SSD), eSATA Port, and/or additional options
How to add a fast new SSD to your old Mac or MacBook for only $150 - 9to5Mac