I finally have had time to start working on my IPR project again. I have a set of prototype parts printed out and have cut plywood sides and rods.
Although I already have several things I want to change I plan to assemble it as much as possible before making any changes. I expect to assemble it a few times before working out all the bugs. So far I like how it is coming together and think this is a good compromise between a Sell's Mendel and a Prusa Mendel (Although it has much more in common with the Sell's).
I bought some T-Rex 500 R/C helicopter gears that I was thinking of using for a new extruder design but I think the main gear may be larger than I want. I have some R/C car gears on the way that should be closer to the size of the stock Wade's gears (they may even work on a stock body).