Ok this is my powermac 9500 that I have trashed due to me getting a Yosemite. It was good, for about 5 minutes after I got it, then I had to mod it. This is what I came up With. For starters I upgraded to abotu 700mb of ram, added a g3 266 upgrade card, and a usb card. I ran OS X on it for a while using X Post Facto, but then I relised how slow it is, thats why I trashed it, not to mention it was 7.5 years old at the time too.
And yes, I did take out the usful stuff like the cold cathode and led fan before i got trid of it.

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Mobile-2.2Ghtz Core 2 Macbook, 4GB ram, 160GB HDD
Server-Dual 1.42 MDD G4, 1GB ram, 4 random hard drives.
PC-C2D 2.4Ghtz, Asus Commando, 2Gb ram, 3 hdd's in raid 5, 8800GTS.