I'm in a similar situation to several previous posters, in that my driver swing speed is low-90s at best (with 230 being a good drive and playing 7-iron from 130-135), but I don't mind playing a course (or set of tees) that's a bit longer than may be recommended purely based on the distance I hit the ball, as I'm comfortable hitting approach shots with longer clubs, or playing for pitch-and-putt pars on holes that I can't reach in regulation. It seems to me that, when choosing the right tee to play from, distance should be the main driver, but you also need to take into account the skill level that you play at - the aim should be to end up playing a course that gives you the right level of challenge for the day.
(For what it's worth, most UK courses don't offer players a choice of tee (in my experience) - the usual set-up is to have 'everyday', ladies and competition-only sets of tees.)
