Hope I'm not intruding but out of the three Of course I like mine the best Its a pertty strong unit and I have a combo on it[:-] by its self its [link=http://xtm-dealer.com/zencart/index.php?main_page=product_info&cPath=13&products _id=163]THIS[/link] and in a Combo its like [link=http://xtm-dealer.com/zencart/index.php?main_page=product_info&cPath=13&products _id=180]THIS[/link] and I hate to say it but from your discription your problem could be a dirty OWB, I would clean that up first and see what happens