If a car could be bullet proof (and NOT the popemobile
) it'd be a Toyota.
300k is a lot, but it's true, if you take care of it, it'll last ya. Comb over it and figure out what it needs to run perfectly. Then decide if it's worth the investment to you. You're on an enthusiast site - not too many people here are gonna tell you to pass it over. Really it's up to you to gauge what your threshold is as to what deems it worth your time/money or not.