most favourite: A1200. Used one from 1993 until ooh 2003? It got towerised ppc-ised and generally frankensteined in the meantime.
Least favourite: A1200. Unstable piece of shit at times. Even more so with the growing amount of frankenstein-bits duct taped to it. The ppc card especially was a bitch.
qfmft.
Although mine is still going, as you can see from the sig.