The ML's used to be junk (especially the interior quality), but they are much improved, especially in AMG guise. That said, they are not the same experience in terms of the overall feel as the E70. I am not saying they are better or worse, since it's a very subjective matter. That said, in actual driving, you can't really exploit the performance advantage of the 6.2 over the 5.5 in that vehicle in day to day driving, so for most, the reason to buy the ML63 is for bragging rights and status. The 4.8 is a usuable increase in performance over the 3.0 in the BMW, but when the Twin Turbo comes, I forsee BMW having to upgrade the 4.8 as well or sales will plummet unless the price on the TT goes up to close to the current 4.8 pricing.