Votes for #1 are automatically disqualified since the question clearly stated it "for all the Tahoe/Blazer fans"

...jk
Here's the legend:
- Stock Burb Dimensions
- Rear Wheels Moved Back
- Shortened Wheelbase and Rear Overhang (like this build)
- Shortened Rear Overhang Only
Looks like #3 is the clear winner. I agree that #3 is closest to ideal proportions (for my taste). A close second for me is #4. The compelling thing about #4 is that you can get that shorty look with much less work (no change in wheelbase). Perhaps a little less off the rear to balance it out...
Here they are again since we switched pages: