WTT: Maxed out Mac mini for Powermac G4

I am willing to trade my Mac mini rev A (PowerPC) for a PowerMac G4. I have done a few upgrades to it. Here are the specs:

1.42ghz PowerPC G4
40GB Toshiba MK4026GAX 5400 RPM 16MB Buffer HD<---will include original 80 GB 4200 RPM Seagate if interested
CDRW/DVD Combo Drive
1 GB PC2700 Crucial RAM
Original Box + Software + Manual. (iLife '05, Mac OS X 10.3.7)

I will ship with a fresh install of OS X 10.4.5. I am keeping the Tiger upgrade DVD. PM me if interested. Thanks!

P.S. - Willing to sell too. $550 OBO. Original price was $600 and I have added roughtly $160 worth of upgrades.