Here's another option for you:
http://www.ebay.com/itm/Ford-E-Series-Van-Handycab-12-Passa-Bus-7-3-Powerstroke-Turbo-Diesel-01-ford-e-350-handycap-12-/131258658959?forcerrptr=true&hash=item1e8fa0308f&item=131258658959&pt=US_Cars_Trucks
THen send it over to Quigley for a 4x4 conversion, and you should be golden! ;)
But seriously, you could pick up a used e-series with a diesel for under $20, then send it over to Quigley for a 4x4 conversion, and be good to go! More space then you could possibly use, 4wd, and camper-pulling would never be an issue!