u/Quiet-Rent2256

Which is a better platform to start with for a fun weekend toy? Something to lower for better handling, cam, heads, intake, exhaust:

GMT800 - 2WD, 5.3 Yukon/Sierra
GMT800 - AWD, 6.0 Yukon Denali/Escalade
OR
GMT900 - AWD, 6.2 Yukon Denali/Escalade (07-09 pre AFM)

Your thoughts?