There was an old sink that was kind of clumsily plumbed in. I added a counter top around it.
I made two fold-down benches that normally stow away against the wall.
One is for wood working.
The other one for welding:
To hold all the stuff that would have still cluttered the place up, I also built some storage in the driveway.
No sofas, no plasma TV, no bar -- just a place where I can get stuff done.