Did some measuring, and the table would not fit under my rack due to the bolts hanging down from the tent mounts.
Inside I have 31"x25" usable cargo space I could fit a folder underneath one of my footlockers (down from using two like yesteryear) in there.
Looked at a few online, and most folders can not hold the weight of the chuckbox.
I am going to guess chuck weighs over 60 lbs, possibly 80 lbs when full.
There is cast iron in there for cookware, the stove, and the box itself is very heavy duty.
If the Front Runner one folded in half, it would work to store it inside of my rig.
I know my picnic table can support it, but I lose a lot of eating/storage space that way, and I would rather have a separate table.
PS, something like this might work.
http://www.camping-gear-outlet.com/camping-gear-316969.html