Most impressive small footprint speaker

I recently picked up a used pair of Spendor S3/5's. In my small 13x9 listening room they are absolutely addictive. They disappear,throw a wonderful 3D soundstage. Way better bass than I would have ever thought reading their specs. 

 It is whatever sounds good to your ears with you system. Bang for the buck....Harbeth 30.1.

WaveTouch Audio Grand Teton or Antero - the equal of the best out there at a bargain price.

Proac Response D2 - truly magical / majestic / holographic sound with the right tube amplifier (e.g. Line Magnetic 518ia, etc.).

Legacy Audio Calibre - phenomenal resolution, sound quality and soundstage.

Gamut RS3i - as good as it gets... but... at a price.

Any of these when coupled with the right electronics will equal or beat any of those offered by AudioTroy

Do you have an "unlimited budget?"  If not what is the purpose of this exercise?  Regardless "most impressive" is a personal judgement. 

Dynaudio Special One