So far I'm leaning towards this model:

http://www.armynavysales.com/Merchant2/m...tegory_Code=RWR

I think I'm obliged to buy two units as they have snap-up sides (in addition to the grommet holes in corners) to snap the two and build a tent.

BTW does anybody have experience with this online surplus store (www.armynavysales.com) because I'm considering buying these items:

http://www.armynavysales.com/Merchant2/m...tegory_Code=RWR
http://www.armynavysales.com/Merchant2/m...tegory_Code=PNT
http://www.armynavysales.com/Merchant2/m...egory_Code=BBAG

Frankie