Here's one I built a few weeks back. You can make 2 of these from one 8' x 4' sheet of 5/8" ply. The front legs are from Home Hardware at $25 for 2. The rollers came from Busy Bee at $15 for 5.
http://i1222.photobucket.com/albums/...tingbench1.jpg
http://i1222.photobucket.com/albums/...tingbench2.jpg
http://i1222.photobucket.com/albums/...tingbench3.jpg
http://i1222.photobucket.com/albums/...tingbench4.jpg
http://i1222.photobucket.com/albums/...tingbench5.jpg
http://i1222.photobucket.com/albums/...tingbench6.jpg
http://i1222.photobucket.com/albums/...estdrawing.jpg
Rest of the hardware came from Home Depot.
DaveD:glee: