Go here to get a list of Litespeed dealers in your area:
http://www.litespeed.com/dealers/
Test ride one. You owe it to yourself. I usually describe the difference between AL and Ti like this:
Imagine that you are driving in your car on an average road. Everything seems fine. Then you hit a patch of freshly paved road. You suddenly notice that everything is smooth and vibration free. That is the difference in feeling to me.