if you don't intend to use the bar you have very little to worry about. You can even just have it locked down. I don't use the bar either, I just love the feel of the floyd, I actually use it by changing the pressure on my right hand when rhythym playing ... push back a little harder and you get just the smallest increase in string tension which can let you fly over complicated patterns. The main thing though that really sold it for me was the low-profile FR. Your hand feels almost level to the guitar itself and it makes a big diff. String changing is no big deal, especially if you have the trem locked down but even if not, once you get used to it it should take you no more than 1/2 hour to change and tune up (with stretching)
sorry, didn't mean to hijack the question for Marcus