The M2 renders and the one in Tanzanite blue are amazing.
http://www.topgear.com/uk/photos/jag...ive-2013-08-02
I'd be fine with the 4pot from Jag
Go to page/image 12 at the above link.
"So they ended up with a 500bhp, four-cylinder, 1.6-litre engine. It's a blank-sheet job, not derived from a road or race unit. Up to 5,500rpm, it's supercharged. After that, it hands on to a turbo, which keeps going to the limit of 10,200rpm. That is not a misprint. "