- The first and only InsanelyMac.com forum. Is the biggest hackintosh comunity on the net. Where everything started.
- Project OS X Forums, some good resources there.
- Kustompcs.co.uk, one of the only places you can get a motherboard tray in europe. They are UK based, they ship worldwide.
- mdpc-x.com, great selection of modding bits. They are based in Germany.
- The Laser Hive offers unique laser-cuted back panels for G4 and G5 cases. Its a bit pricy but you wont get this kind of products anywhere else. This guys are from the UK.