I bought a Behringer EP-2500 and have it in as my main amp driving my Infinity Kappa 8.2i Series II's. This is a VERY good sounding amplifier, probably the best sounding amp I own, it's 450 watts x2 at 8 ohms, 700 x2 at four ohms and 1200 watts x2 at 2 ohms.
It's not vintage but it is very musical, neutral, transparent, and powerful sounding...