Just took the GX camping! It was a blast! But since I have 2 kids and a wife, the truck was packed. Picked up a Thule Terrapin. It added about 13 cubic feet. 4 Sleeping bags, 2 air mattresses, 2 tarps adn some other assorted stuff!

It is also a swing away model so it can stay "plugged" into the hitch.

Any one else using an add on for storage???

 

I use a Yakima Rocket Box when going on trips. This allows me to alot more room inside the GX. I also carry skis/snow board and bikes on top of my GX.

Only real problem with putting bikes on top of the GX is you have to be fairly tall, since the GX's roof is so high.