Need new subwoofer recommendation. I have the Sony SA-WX700 and this is the second time it's died within the past three months, it's outta here...Now I must ask...I want something that will sink my gut down into my crotch....That will push my chest in...I want something I can feel in my gut! Alright and with a $300 budget, what would you recommend, I can stretch this budget to $350 max, but that's it, nothing over...I am currently running the Sony STR-K750P, with the BIC Acoustech system...Now all the speakers are BIC Acoustech except for the sub...So...I must ask...What would you guy's recommend...Anything @ Best Buy or Circuit City?