That thing looks menacing like it needs the sound of a *loud* Supercharged V8; not the usual refined old-school Euro scream of a V10 or V12 but the kind of engine note that scares the crap out of small children and old ladies. I'm thinking 600+ hp should do nicely. I was never a huge fan of the orginal M1 however I could get used to this one. The way 'concept to production' has been going these days I 'd say we can expect the one that rolls of the showroom floor to look pretty much like this. I'm thinking it will be in the neighborhood of €250,000 with a top speed around 200 mph.
OH... and as for the different rims [and color] someone on another board was kind enough to PS this... looks even better. Props to "deafboy" for the artwork.