I currently have Monitor 11's and a CC-370 up front and small polk satellites in the back. My sub is a Mirage BPS-400. All speakers are set to small with a Yamaha RXV-1200 receiver. My question is, would going from 11's and a CC-370 to Studio 20's or 40's and a Studio CC be a significant upgrade?? How would the Studio 40's do running full range for DVD-A as I have yet to purchase an ICBM?? Also, do you think I could do a straight trade with CC-370 and 11's to Studio 20's or 40's (I'm assuming that'll cost a bit) and a Studio CC?