Good comments, cpate212. Others will hopefully weigh in with more first-hand experience regarding both brands. I've only heard Axiom's M3ti's, and while I have been pretty pleased with them I don't know that it gives me much insight into the full capability of Axiom's towers.
One important thing to keep in mind when considering feedback from others is the importance of personal tastes in speakers. From all I've read, both companies make good speakers for the money, but differences between companies (and between models from the same company) can get different responses from different people. The ideal solution is to try to listen to both with some material that you are familiar with, but of course that may not be possible.