I would suggest a test drive.

 

Thanks for the honest replies guys. Obviously I need to take a test drive (I did 5 years ago, but then I was comparing with a stock MX5), and I'll be doing that next weekend. Fact is that I prefer the looks of the S2K over the MX5 (don't tell my fellow 5 owners!).

I bought the MX5 because, at the time I purchased I didn't feel I could justify the additional cost of the S2K (a difference of of just under