No very little Compromise $20K 5CH System?

Already have an iMac and a 52" flat screen. Old school on the question of cabling in general (some good stout lampcord and a trip to Radio Shack'll do just fine) and am looking to build a nice 2 channel setup with a new VPI Classic TT w/Sumiko Blackbird as centerpiece.....only twist is I want it to be 5 channel with a box to play Blue Ray DVDs on (nothing fancy). You'll know where I'm coming from if you've ever pondered a similar quandry...lol. What sort of system would you assemble here from scratch with a $20,000 limit and in a medium sized room where the speakers can sit no further than a foot or so out from the walls? Wide musical tastes -- mostly 60's-80s pop/rock/jazz/blues........very rarely Country or Classical. Thanks.