Ok, let's go:
Currently:
A1200 (with lots of expansions)
A3000 (with some expansions)
---
C128Dcr (with lots of expansions)
C64c (with some expansions)
SX64 (with minor expansions)
CBM8032-SK (with two dual diskdrives)
---
two laptops
two peecees acting as server/router
five peecees acting as Windows/Linux workstations
---
Apple Macintosh (Beige G3/266)
Past:
four or five A500s
two or three A2000s
---
several C64s
several C128s
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several 68020/68030/68040 Apple Macs
---
a bunch of pcs (486, Pentium MMX, Pentium Pro, K6-2, K6-III, Pentium II, Celeron and the likes)
And no, not mentioning any expansions, printers and other stuff. :-)