Windoze 7 may not like the post box...............
Craig, even with your welding skills you should be able to build one similar to the one in that Ebay ad, if not maybe John can bring his daughter up to build one for you....
I set mine close to the floor while still hanging on the lift. High enough though so I can slide the transmission up to the bell on a jack.
+1You don't need a special tool to bolt the 2 together. Don't over think it Craig. Keep it simple.