Hi, have a read of the buyers guide thread at the top of the forum, there are a lot of potential issues that can be quite expensive to put right..
Prices on these are all over the place, mostly driven by mileage rather than age, but a higher mileage car that had a lot spent on it is generally a better bet than a low mileage thats been neglected.
Oh, also its spring, the weather is lovely, all the traders will be out bumping up the price of their convertibles..
History of cambelt changes (every 3 years/36,000 miles on the 2.0l) is a must.
Also they are quite rare cars, only about 3000 ever registered in the uk, you need to be patient to get one that matches your requirements..
Keep an eye on Pistonheads : Alfa Romeo Spiders for Sale
Autotrader, and the classifieds here.
Plus I`m sure Clive will be along shortly to usher you into his emporium and entice you with his wares..