I've had my mk2.5 Arizona 1.8 for 2 months now. Took it to MX5 Restorers in Eastbourne on Sat to give it a good looking over on Sat.
Very nice chaps there, and clearly a specialist as the only non-MX5 either in the workshop or car park was my sister's SLK, who'd come there to meet me.
Either way, they gave it one of their free sanity checks, which looks at the brakes, suspension, electrics and most importantly for me, rust. They took a very good look over the car whilst it was up on ramps. Seems that the chassis rails are good for another 2-3 years and the sills probably another year on top of that. Otherwise, apparently it's straight and no significant issues.
Big sigh of relief from myself. Whilst it looked good to me whilst buying it, I'm certainly not an expert.
More importantly, the outcome was going to be the decider as part of the question of "move it on, or keep it and save it". My preference is very much the latter, as it seems to be in great condition and very much has the specification I wanted. However, if it needed a LOT of cash, then I'd have been moving it on.
In short, nothing critical right now.
For all that, I'm going to be giving it some pro-active maintenance and will be taking it back to them in a couple of months to have the underneath of the car cleaned off and then fully undersealed. Cost is apparently £360 all in, which to me seems reasonable. Sure, the underseal is probably dirt cheap. However, there's going to be a lot of work to fully clean it down and do it.
Big thumbs up to the chaps at MX5 Restorers, recommended from me.