I'm with you, I haven't driven it, but I've driven the G37 with VVEL vs my G35 and I have the VQHR in the M35 with over 300hp, I think the M37 is good enough for me, especially with gas prices creeping up again.

^^^I don't agree at all.  If it's really about 8K, I think it's about right really.  How much more was the M45 compared to the M35?  The difference was smaller (340 vs 290 hp?).   

I think I read somewhere that the difference between a 535 vs 550 and the E-350 vs E550, is always less than 10K and about 8k. 

Doesn't the M have an "eco pedal" now..?  Thats probably why there is a big difference in sport mode.

I have the 7spd transmission, the 7th gear isn't low enough to really matter.  I think they geared it for acceleration, and I still am not getting spectacular mpg on the highway.

I think you meant "high" instead of low.

I don't know, but I recall that my M45 was turning way too many rpm's at highway speeds. Don't remember exactly, but it seems like it was taching over 3,000 rpm at 75 in top gear. My LS460 does about 1850-1900 at 80 mph.

I wish I had noticed the rpm's yesterday, since I had a chance to get the car on the freeway, but I didn't. Some of the effect was because the car is so quiet, but it sure didn't seem to be churning like my old M45 was!

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Something I learned a long time ago was never to form my opinion on how a car looks while it sits in a dealer showroom.  The ambiance there is created to display a car in its "best light."  The way to really see how a car looks is to see it outside on the street or alone in a parking lot.

My friend's dark color M56 has a terrific visual presence parked outside in the sunlight.  Its lines give the impression of the M champing at the bit  to fly down the road.  The look of the M56 is altogether more visually pleasing to me then my former M45.

I really formed my opinion of the M56's exterior design when a white color M56 passed me yesterday.  It fairly shimmered as it sped by.  I followed it for a few miles and noticed an improvement in the rear lights.  They are shaped better and fit the space on the exterior of the car better then those of my M did.

The color of my present car is Sarfire Pearl.  This is a lustrous deep-sheen white.  The white exterior on the M56 that passed me appeared to be every bit as rich and beautiful.

I have only driven the M56 a short distance during my visit to the dealer.  But, the verve of its power really impressed me.  My V8 is powerful but pales in comparison to that of the M56.

As I previously mentioned to my friend, if I was not as satisfied with my SC as I am, the M56 would be sitting in my garage this very moment.

white is a good color on the car, definitely.  I've seen the black, and I just wasn't feeling it.  Not like the silver and the white.