Suddenly I own TWO Mac Mini Core 2 Duo 2.0 GHz (T7200) Mid 2007 Macs. They each have a power supply & seem to turn on OK. No accessories. S/Ns say they are 1 GB RAM, 64 MB VRAM, 120 GB HDD, Optical 2.4X SuperDrive, Mac OS 10.4.10. Can they do anything useful, like MarsEdit?