Here's a moderately priced SACD surround system that gives very satisfying results. It's also great for 2-channel listening.
TRL modded Sony 2000ES
Denon AVR 3805 pre/pro
Outlaw Audio 2200 mono blocks front
Musical Fidelity X10v3 Tube Buffer & XPSUv3 Power Supply
MF OML-2 front (compares well with Tyler Sig II), Ascend Acoustics Center, with Cambridge Audio surrounds.
HSU Research VTF-2 Sub
Speaker cable, power, and IC's - nearly all Signal Cable, with Speltz Anti-cable.
Happy? ... sometimes when I'm sitting in that "sweet spot" I can't imagine a system sounding too much better. SACD's originally recorded/mastered in multi-channel sound incredible. In fact, I've listened to my brother-in-law's expensive high-end system, with its Mark Levinson amps, Wilson Watt Puppys and $2,000 IC's ... and my system sounds just about there. Which goes to show that you don't have to spend $50K to get great sound IMHO.