Shop around that is the best thing to do.
Rock logic quoted me 760.00 for yukon 456 R&P, master install kit, and installation of the above. (No Carrier).
Front Dana44 (LP) and not even in the vehicle, this was a LLLL of a lot more than what I was expecting.
4 Wheel parts wholesalers - $652.00.
456 Gears (think superior, I will have to find the pick sheet) R&P carrier
master install kit
Warn Premium Hubs
Labor.
Since this was more than I was looking at spending at the time, I stopped after these two shops as I knew I did not have enough money to get the D44 done and swapped in for spring over before my trip to Moab, so now I have all winter to build it up and then do the swap.