I suppose I'm here because of the same reasons as a lot of others. I'm on my third RX. I bought a '79 in early 1980. Just loved it. Went without for a few years and suffered serious withdrawl, then picked up an '87 TII, did the RB exhaust mod and a few other minor improvements.
Now I have a '93 that I picked up about five years ago. It was well taken care of. I've recently had a new engine built and installed. Some very nice performance and reliability mods, a few bugs in the process of being worked out. I've put about 2000 miles on the new engine and I must say that I'm very happy with the overall results.
Lots of great resources here. The link to Tech Manuals will come in handy, I'm sure.