I wanna say there is a sticky on doing the swap somewhere around here....
http://www.ls1truck.com/forums/front...rans-swap.html
2004 Silverado Crew Cab, forged iron 5.7, STS w/MP turbo, 10+ psi, FMIC, Tial 50mm BOV, Vic Jr, Snow performance meth, MTI Stealth cam .220/.220 .581/.581 115lsa, Comp chromoly pushrods, Yank TT3000 stall, LS1 Efans, 160 tstat, Trucool 40k trans cooler, 60# injectors, Walbro fuel pump, Patriot springs, Built 4l65E w/billet input & output shafts, Eaton posi, SD tuned...all installed by Klein North Automotive
I have to say on a GMT900 that $2200 is money well spent IF it's installed, the shop has a good rep, and there is a warranty.