My list of the worst Amigas ever!
#4 A1200 - People say you can expand this quite well. But thats only aftere hundreds or thousands of dollars worth of cases, expansion slot add-ons, little PCB's that plug into other little PCB's that plug into other little PCB's so that you have this great big wobly tower that is made of PCB's and connectors. Too many hacks are needed. Yuck.
#3 A1000 - Great start, however it had crap expansion, and no proper kickstart.
#2 A500 - No internal HDD, crap expansion.
#1 A600 - Missing keys, pathetic expansion.
IMO lack of standard expansion options, decent screenmodes for serious computing, and ####ty non-os-compliant software are the reasons for the Amigas death.