My rear channels are done in my eclispe 4 channel. I have a price range up to $200 or so. Will be running Boston 6.4 components(old school ones) and 6x8 rockord punch components in rear. I would like at least 75x4 with the best sound quality for the $. Also was wondering if I could run 2 sets of tweets off of same crossover channel. Have punch tweets that came with 6x8s running with Boston's. would like more highs up front without having to run a small 2 channel for another tweet set.