soundhound hit all the benefits of external active crossovers. I can’t think of any others that need saying.
I don't think you will see much gain to just bi-amp, and most consumer speakers don't allow you to bypass the internal crossover. If yours allow you to then you may want to try it. Set up can be fun if you are new to doing this sort of thing, you can end up making things sound far worse than what they were.
I tri-amp and bi-amp my pa gear but I don’t bother to bi-amp or bi-wire my HT set up, I just don’t see any gains in doing so. Maybe I could do it just to say that I did.

(Dang it, I promised myself I wouldn’t post in one of these bi-wire / bi-amp threads).
[This message has been edited by Dr.Spike (edited July 23, 2003).]