^ Not sure how you magically have good reliability data without being able to have MPG data...
@Dave's Civic Duty: Check out this forum for Mini Cooper info:
MINI COOPER :: North American Motoring - Forum List
I can't speak to long-term issues, but I can definitely say that the Mini Cooper S is one of the most enjoyable cars I've ever driven, and if I could've gotten used to the retro styling, I'd be driving one now.
Here's what people on Fuelly.com have been reporting in terms of fuel economy for the Cooper S:
Browse All Mini Cooper Ses | Fuelly