I have a set of rf-7's, a set of rf-5 I I, rc-3 center, a set of rs-3 I I ,a pair of ksw-12's and a r-115sw. I have a denon avr 2803 which is about 10 yrs old and need help figuring out out what kind of receiver to get to power everything. Keep in mind even though I'm 49 I just started this hobby wich I've fallen in love with