Just coz you might have been interested, even though Sedan (and it's way too late now anyway!):
I put Dads E30 up for sale nearly 2 years ago. It went on Trademe for $8500 no reserve, and $9300 buy now (IIRC) - first caller was a complete muppet - thought it should be cheaper because he may have to spend money on such an old car! Second caller was a "suitable" owner -, older professional gent, collects cars, offered $8K right now, sight unseen, no questions - us in Whangarei, him in CHCH. Money went in that night, collected a month later.
So certainly they are out there, but don't come up often. I think Dads would have been what you're looking for (if you want to keep it reasonably "grandpa spec"), and you may find just a touch more cash get's something really good, over something a bit average. None of them are very mint anymore, but there are some real stunners out there - I think they're going to appreciate more and more. A lot of E30's are just old shitters now - still OK cars, fun to drive etc, but the real original stunners are going to be the ones going up in value as real classics.
Good luck with the search anyway!