In 1991 I had a C-64, C-128D, Amiga A1000, Amiga A500, and an A2000.
The A1000 had a hard drive and memory expansion, the A500 had a GVP hard drive/RAM expansion (8Mb), internal FF/SD and an '030 CPU. The A2000 was new, so in '91 it didn't have much in it (yet).