I have all models except CDTV, A3000D/T and A1000. :-)
But I only use three Amigas:
My a2000 (with 68060/Cybervision) for ECS and OS3.0 programs
My CD32 for AGA games
My A4000T PPC with Os4.1 for surf the web with OWB MUI.
My little big treasure: An unused A500 in its original box. :-P