Well, after many comments that were good, bad, and ugly, I have gutted the pack and started to make it look more finished. I was trying to see what worked/didn't work with the protoype, and "sculpted" it out of various junk parts. I was working on the electrical system last night, but some of the scrap electronics weren't co-operating. : ( I seem to have less and less time to work on it with my wife working nights, chores, working full time, and playing with my son (which is really important) I'm hoping to have it done by the end of April for the Pittsburgh comicon (assuming I can go, given my wife's unpredictable schedule, and the factn that I don't drive. They are having a costume contest, and you can get in for free, too, UGH! Very frustrating. Go to Proton Packs>Da Burgh Pack for pictures and commentary.