Boots CD (hold down option when starting), Wired ethernet adapter works, no driver for integrated wifi card bcm4328 other than dniswrapper at the moment that I know of.

Apple iMac MA876LL 20" WSXGA+ Intel Core 2 Duo 2.0GHz Dual Core 2GB 250GB ATI Radeon HD 2400 XT Mac OS X v10.5 Leopard