The 34-2 is essentially an update of the Tartan 33. The 33 had two different interior layouts, but I was under the impression the 34 only had one. Lots of info out there on the 33 and its issues and I'm pretty sure the 34-2 is very similar. Basically a pretty solid boat if its been taken care of.
Here's a good article on the 33, much of which should pertain to the 34-2:
Tartan 33 Profile and Perspective