I agree with the 'who cares' group because to buy anything that can do what my 96 does, I'd surly have to shell out a lot more money and I seriously doubt that I could find anything as nice, as quick, with as many 'extras' as a Mark for less than $3000. While not the easiest car to work on, if your initial outlay is not great and something catastrophic happens to it, it can be replaced for not a lot of money, or it is not a big loss money-wise.
Case in point, I spent about $5000 total (including all the necessary stuff, like air springs, trans fix, etc) back in 2002 for a 93 that I drove for 4 years (about 50,000 miles) and it got totaled in 2006 when a woman turned in front of it at a light. I got $3200 from her insurance company and bought my 96 for $2700 and since then I might have a total of $4000 (including purchase price). It is clean, fast, confortable, looks and drives great, and I always get comments on it. I doubt that'd happen if I drove a '96 Honda civic. Even if I had to part it out, it is worth a lot because (expecially a 96) it has some very specific parts and systems on it, so it should be desirable for a long time.
In addition to that, these forums show that there is almost a cult following for these cars, so the longer you hold onto one, the more it'll probably be worth. My 70 GTO cost me about $1300 back in 1978-now, I have no doubt I could get 10x that or more, but it, like my Mark, it will probably never be for sale, to me it is irreplaceable.
As long as they are available, I'll always have one. These are just great cars, and when you find a decent one and make it right,they are almost too good to be true for the amount of money they cost vs. what you have.
The only disclaimer I'd add is I doubt I would ever use this as main transportation (unless it was only for a short period of time) because if there is something wrong with it, I think I am better off parking it and driving something else untill I can correct the problem. Some small problems can became large and expensive if ignored-good idea to have a commuter car to handle the BS trips to the store, maybe to work once in a while, for winter if you are in a snow/icy climate (these are really bad in low traction situations, even rain).
Have fun with it, I believe most of the people on here and those you will meet who know anything about Marks will agree, these are special cars.