What I CAN tell you is that it seems like about 90%+ of the folks disagree with you, based upon the reviews at rottentomatos.com. Also, the film has grossed over $400 million so far.
Just a suggestion, but perhaps a second viewing might improve your opinion? The movie DOES take place quite quickly.
Well, I can't argue with the facts, but I don't think that The Two Towers will age nearly as well as The Fellowship over the next 10 years. Folks replaying the DVDs in the future may well wonder why Jackson made TT such a gorefest.