The plan sounds good to me, minus the perches deal. I don't understand why there's so much negativity in this thread.
Selling your current bumper could definitely make you some coin, and even with the price of steel, building a bumper is pretty dang cheap.
Unless the MJ leaves are real saggy, the SOA should be level with 5.5" of front lift, maybe even a little bit high.
And finally, if you wheel tight corners in trees, you can kiss your taillights good bye, and replacements, for most of us, are hard to come by. Selling the bed/tailgate/taillights might be a good choice for you. I know alot of people on this board need all 3 of those things, and you'll end up destroying them.
Keep on keeping on!