FS - EZ Rect Boltless Type 1 Shelving $100
 

This is the EZ Rect boltless Type 1 shelving that is 8 feet long, 30 inches wide and 38 inches tall. I've cut this shelf down to 38 inches high for putting a tank on and to view the tank at about chest level.
http://ezrect.ca/type1.htm
I have the XHD Tube Frame Connectors with WT Combination Tie Bar & Shelf Support and its rated at 1700 lbs evenly distributed for each shelf.

Here's a pic of the overall system:
http://i123.photobucket.com/albums/o...e/DSC01191.jpg

Here's a pic of how its attached to the posts:
http://i123.photobucket.com/albums/o...e/DSC01192.jpg

Heres a pic of the cross bars and XHD tube frame
http://i123.photobucket.com/albums/o...e/DSC01193.jpg