Under 15k?
For amplification Pass Labs x250 or x350 would be my #1 choice for the Front L/R. And maybe a Pass Labs X3 for 5.1 or x5 if you might go to 7.1.
Pre/Pro....Hmmm I love my Bryston SP1.7, I think its hard to beat but, I would check out Krells HTS, Classe's SSP-75, maybe a used Lexicon MC-12, and even a Sunfire TG3.
You could tweak it for far less, A used X250amp($3000) for the front, use your existing B & K 7250($0) for the rest, and tie in a nice 2 channel preamp($2000), keep the ref30 for DVD and multicchannel purposes and viola. Only $5k spent, and I bet it'll sound impressive.
Just my 2 cents
For amplification Pass Labs x250 or x350 would be my #1 choice for the Front L/R. And maybe a Pass Labs X3 for 5.1 or x5 if you might go to 7.1.
Pre/Pro....Hmmm I love my Bryston SP1.7, I think its hard to beat but, I would check out Krells HTS, Classe's SSP-75, maybe a used Lexicon MC-12, and even a Sunfire TG3.
You could tweak it for far less, A used X250amp($3000) for the front, use your existing B & K 7250($0) for the rest, and tie in a nice 2 channel preamp($2000), keep the ref30 for DVD and multicchannel purposes and viola. Only $5k spent, and I bet it'll sound impressive.
Just my 2 cents