I am a long time fan of Pioneer Premiere speakers. Rock a set of tweets and crossovers up front now. The 6 3/4's finally gave up the ghost (surround came unglued). Repalced them with a set of $9 (yes, $9) AURA 6 3/4's and would never look back. Sadly, I can't find the 4ohm versions anymore. Parts Express still has the 8ohm speakers in stock. For anyone running active crossovers looking for new mids, the 8ohm's should be a solid contender for consideration.