Aside from finding someone in your area that has them to audition there is not much else you can do but buy them and put them through a home audition.

According to the FAQ return shipping would be $45/Box on the towers. So that would be $90 to return a pair of M80's. Instead of buying the whole package at once, just do the M80's and if you like them order the center and surrounds after that.

I’m armed and I’m drinking. You don’t want to listen to advice from me, amigo.

-Max Payne