I'll bite

Aside my A2000....
- c128 (in the loft...)
- A2600 (in the loft...)
- windows 7 big box for heavy duty stuff
- Lenovo W510 with Fedora 17 for work
- Macbook Air for fun & everything else
mostly OS (not UI) agnostic but leaning towards MacOS for ease of use
TomUK