ORIGINAL: crossman
As far as something to pin into, I have used scrap pieces of drywall. I lay across my table saw, so I know that it is staying flat. It takes a little pushing to get the pins in, but they stay put.
For workshop ideas, try this thread,
http://www.rcuniverse.com/forum/m_13...tm.htm#1350936
Some of them, we can only wish for, others show how little space we really need.
However you set up, keep a little messy, that way the wife never knows what new.
Enjoy
Probably the best piece of advice so far. That and the interior door. That would be a lot lighter than a piece of 3/4" particle board.