Stu, check out Gumtree under the "Caravan and Camping tab. Bunch of Back packers sell of vans as the head back to Europe Usually some choice units that should suit your purpose. Page 3 onwards if you look now. Or the Van-ute section has some real cheep options.
If I win lotto on the weekend you can have my Econovan for nothing !!! It come complete with WASA stickers on the side to cover (sort of) the rust holes - I mean air vents....
