Finally have my new Elac B6-based system setup in the second bedroom (10' x 12'). System layout is:
Windows 7 --> JRiver Media Jukebox --> Schiit PYST USB --> Nuforce uDac-2SE --> Kenwood KR-V8030 --> Elac Debut B6. The iPad Mini is serving as my PC monitor via Duet Display (wife was adamant she would not accept a computer monitor sitting there, and $10 for an app beats the heck out of $100+ for some small USB monitor solution.) As it turns out, it works extremely well.
The Kenwood receiver (2nd hand from father-in-law) is clearly holding this system back, though I do have very few hours on the speakers so far. There is a distinct veil on the overall sound, though it still sounds very pleasant...just missing a lot of the inner detail/resolution that I do believe the speakers are capable of revealing, if I had better gear in front of them. Vocals are very clear and honestly fantastic (great tonal accuracy and realism), and there is a very nice center image with a fairly wide and deep soundstage. Vocals appear to come a couple feet from behind the speakers, so there's a nice effect from that. Bass is excellent: tight, crisp, and goes deep (though again I feel held back by the Kenwood). The bass clarity does improve when I pull the speakers out an extra half foot or so when doing more critical listening. In their current position, there seems to be a tad bit muddying. These boys need to breathe with those rear ports.
Mids are excellent, no complaints beyond the lack of resolution. Just not enough instrument separation for my liking. Highs are definitely rolled off a bit, but that doesn't bother me, as I have a tendency to be sensitive to harsh treble energy. Overall, great speakers even with very limiting gear in front of them. Over time I'll be looking to upgrade either the DAC, or get an integrated amp, or a complete integrated system (looking at you, Elac Integrated!).