I have a 6.0 on the way.
It's getting harder and harder to find good deal on these motors, but I found an 04 with 10K miles in Houston for $1,250. Now I have something really fun to look forward to after tax season. (grin)
No more trucks, but this is what I used to have. 2000 GMC Sierra, 6.0L-LQ4, Built 4L60, LS6 Cam, The Other Guys Headers, 3 inch exhaust and 7 chamber flowmaster, 43lb injectors, Nelson Tuning, Drop - 3/4 McGaughys Spindles, Bell Tech Shackles & Hangers. Best time 13.59 @ 106