EZ 2 x 4 and 2 x 6 Island or Workbench
Hammerzone has a great build-it-yourself workbench that can be made for under $20 and will be as sturdy as any bench you'll find. You may want to check out
There are a number of instructables on building "workbenches" of various degrees of cost and sophistication, but most of them are really just tables. They'd work fine as craft or ...
portable router table that is using home woodworking bench
Sjöbergs Compact Workbench - not until we have at least another room, but it would be so great to have a sturdy base.
Beech Wood Workbenches-Beech Wood Workbenches - Rockler Woodworking Tools
building plans for Floor Standing Router Table
Beast on Wheels, MAZ-543, Russian military