I have been using a 10' by 12' wood-panelled library for the past 6 years. My wife lets me use this room only for my system with all the equipment. There is room only for a three person sofa 6' away from the speakers. Over the years I puttered in this 'garden' and currently I use a horn hybrid speaker which sound best in the corners (so do Audio Note speakers.) I use Eighth Nerve for some light room treatment and actively bi-amp with four 45 tube monoblocks. The monoblocks are on the floor between the speakers and the rest of the equipment is located to the side (long interconnects, short speaker cables). IME/IMS, the biggest improvements/uprades have been (in very rough order): Actively bi-amping with a custom tube crossover, the speakers (SAP J2001 twins), adding vinyl, upgrading to EMM Lab digital, adding three dedicated lines, adding the Equitech balanced line conditioning via a remote wall sub-panel. I am thrilled with the nearfield experience/sound I am getting and I cherish this room, albeit its' size . In fact, I am currently building a house with a dedicated music room which is larger (23' by 15' by 10', and I am fearful screwing it up.
Hope this helps,
Reg
Hope this helps,
Reg