For $300-$500 used, Triangle Titus, Magnepan mmg or Klipsch Heresy.
PSB is a pretty safe bet also.
You could also do a pair of OHM Walsh 2s or slightly bigger in that range if you were up to trying something completely different (omnis) with lots of cost effective upgrade potential down the road.
PSB is a pretty safe bet also.
You could also do a pair of OHM Walsh 2s or slightly bigger in that range if you were up to trying something completely different (omnis) with lots of cost effective upgrade potential down the road.