Hifipete,
I hear you, I'm located just North of Toronto area and also have interest in the mono blocks only and would like a audition in home before committing but a broken-in pair. Just so you are aware 6sonsaudio in Winnipeg, MB is now a dealer so you could contact them.
There is lots of "BUZZ" about the new MK2 Bel Canto's so if I was you should check them out and compare.
I personally use to own the Andra 2's which are marvelous speakers and while owning them bought a few class "D" amps to see what all the hype was about. You can check out my previous threads for more detailed info. but in the end I found the over all sound were not for me, were not emotionally evolving in comparison to traditional amps. After aprox. 8 months of listening to "D" amps I found my self not listening as much, jumping from song to song and not listening to the entire piece, not a good sign.
I then installed McIntosh 501 mono's while still owning the Andra's and WOW!, I was impressed. Had those for some time and really really enjoyed them but then had a chance to get some Pass X600.5 monos. Still had the Mac's in my system for about 6 months and installed the Pass amps, well another WOW! just couldn't believe what I was hearing, not to knock the Mac's though. My pre-amp with all of these pces was the Audio Research Ref3 hooked-up in balance mode.
Re-installed Jeff Rowland 501 monos, Bel Canto 1000's and lastly Nuforce 9's to compare, well they just couldn't compare and preferred by a large margin the Mac and Pass so I sold all of them.
The Pass through off allot of heat, the Mac's no heat.
I ended up with the Pass, my suggestion to you if heat is not an issue is to get some of the Pass XA.5 CLASS A amps to demo as I believe they would be an ideal match with the Andra's but that being said the Spectron in mono block configuration only could be very interesting. I have to say I'm still skeptical though due to my experience to date with class d amps.
Keep us up dated and enjoy those Andra's. Just a heads up put some Systrum SP1 platforms underneath them, you will be amazed with the improvement and well worth the money, bass, stage and just over all sound improves.