I have the Onkyo version as well. Currently being used to power my den speakers. I think it a very under rated amp. The only down side of it is it has questionable at best 4 ohm capability. I don't believe it would do much better than a mid level receiver at that task.
Currently at 15 bucks. I would expect it to go for a little more than 100. That's tacking on an extra 20 for the Inegra name over Onkyo. Maybe that's wishful thinking from some one who may be looking to sell theirs some day.