I've never had a great system for organization on trips. It usually just ends up being a huge mess of stuff crammed in the back. Watching the Classifieds a Group Buy for these slides came up. The dimensions for the 3rd Gen didn't quite match up but a modification could make it happen, and add even more functionality.
Started with this:
Added one of these:
And ended up with this:
Fits two large storage containers and two smaller storage containers underneath.
Loaded up! (Not going to use the bungee cords on the heavy stuff of course, just getting a feel for fit) And it sits behind the backseat as well.
*Update*
Used it for the first time on a trip and it worked great! Couple of improvements coming soon!
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1999 4Runner Limited 4WD Locker
2006 Lexus GX470
2013 Toyota Tundra TSS 4WD