I recall a woman named Wendy on alt.rec.cruising some time ago who bought a T37 because (being a woman!) she got a ton of advice on these boats, some of which I recall.
They are very seaworthy and easy to sail, so I recall, and nicely finished, but by today's standards, the "socializing" part of the boat is small. The stowage, by contrast, is ample.
The woodwork is supposed to be extensive and excellent. Whether this appeals to you is a personal decision.
They are heavy and are "get you home...two days late" boats. Slow and steady gets to live, however.
The main knock on them is the teak decks, I recall. They require tending and apparently can rot/leak/fail. But on the other hand, I recall that the boat's other qualities were such that replacing the entire deck (a VERY tedious and messy job) had been done by more than one T37 owner, because like Pacific Seacrafts, Island Packets and Out Islanders, they tend to be owned by people very proud of their boat's appearance.
Thus endeth all I know of Tayana 37s.