As for my shortlist:

Honda CTX1300 for cruising
Yamaha XT600 for a project
Suzuki DRZ400 for getting mucky
BMW R100R for commuting
Sunbeam S8 for phutting to meets on
GSXR750K4 for ripping to meets on
BMW R750R for track days
HD Fatboy to watch go up in value
Something to customise like the awesome looking XS650 by House

The aforementioned heated workshop!