When I shopped for this I researched researched & researched all of the possible features and options and selected exactly what I wanted. I then spent as much time finding the best deal that could be had (IMHO) in Texas. I have been extremely pleased with my purchase. The Tahoe gives the perfect balance between utility, durability, style & luxury. This model's driver's cockpit was extremely well thought-out; I think they went backwards in the newer models. My wife is quite a bit shorter than I am, so the memory setting for the mirror and seat positions, the pedal height, and other preferences is an absolute must for any future car. The maintenance items I've had in the first 150K miles has been the fuel pump, and the intermediate steering column. The later was serviced under warranty. GM added a lubrication kit. Unfortunately, the slight knocking started a couple of months later after it was out of warranty. GM's new service bulletin has the dealership replace the column -- I understand this actually fixes the issue. Both of these items are minor in comparison to the comfort and reliability of the vehicle. Strongly recommend!
Update On Apr 29, 2008: This engine can also accept E85 gas. This E85 ethanol option runs about 40 - 50 cents less than traditional gas. Unfortunately, the gas mileage drops when using the E85 fuel about 20%