It's an MX-5 from another, funkier, universe. It's ultra cool because you sit on the left, just like the natives. If you do find yourself on the right then you're probably sitting in one of specialist DTR Sports Cars' conversions.
UK spec Barchettas were not much different from Euro examples, including ABS brakes and driver's airbag.
There aren't too many Barchetta problems. If the engine sounds clattery then it's probably the VVIT variator, which tends to go once the miles build up. Cam belts according to the schedule will run up to 72,000 miles, but specialists recommend a sub-40K change.