Or with socks on
Heh, don't make me visualise that :-(
As far as flooring goes I like @cr0sh's suggestion of industrial lino, particularly if it's not too late to combine it with underfloor heating. I may still be able to arrange that. What I don't like about hard floors normally is that in winter months when the slab is cold, it seeps up through your feet and leaves you feeling rusty even if the air itself in the room is a nice temperature. Underfloor heating obviously solves that.
By the way, I was pointed to this by someone on Twitter, Ben's "Super Work Bench 2009":
http://benheck.com/06-28-2009/super-work-bench-2009Really nice setup.
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Jon