check out the lists on http://www.fduk.org, there is a buyers list which will help you
reliability is fine touch wood, trick is to find a nice example, change the oil every 2500-3000 miles, check oil and water regulary, service it properly, don't abuse it, do sensible mods in stages so you don't blow it up and away you go!
all rotry engines will need a rebuild at some point £1500-£2000, think of it as a cam belt change which tbh is just as expensive on other super cars
they are quite expensive to run, but pretty much, as with the supra (have to get that bit in as a guest on this board) anniliate most things on a road/track
oh and its taxed as a 1.3!
Dave