AEON Aluminum Radiator?

Has anybody here bought an aluminum radiator from AEON Imports? They sell an aluminum 3 row 75-78 Z radiator for $140.

My radiator is shot and it looks like there are no local stores that can get me one here in Michigan, so my choices are MSA's 4 row for $200+shipping or an aluminum on off eBay for anywhere from $140 to $250+shipping. My car is a manual and I'd rather not give up the bottom of the radiator for the trans cooler that I won't use. Most of the radiators now come only wih the trans cooler so they don't have to make two different units.

From what I understand, copper/brass radiators are slightly better than aluminum for heat rejection, so I don't really care which I buy.