It's way past time I summarised this thread. It got a lot of awesome responses! Thanks to everyone so far. I am still keen to hear from you if you haven't chimed in yet!
There's a lot of different people using a lot of different amps, and for the most part they're very happy. Most common seems to be AVA gear, which makes sense as it's what Jim Salk uses and recommends. There's also a lot of love for the high value D class stuff like n-core, emotiva and wyred4sound. Amongst many other amps.
Page 1:SX-500s
ht2-tls using
http://bryston.com/products/power_amps/4BSST-2.htmlSS10s using McIntosh MC501 amps
ST's with LCY RT driven by AVA 240 amp (+1 but with the AVA Ultravalve)
HT-3s driven by 550 Ultra Double, ava t8 preamp.
ht2-tl driven by parasound halo a51
songtowers primaluna prologue, nad 272 bryston 4b sst2
songtowers with AVA Ultra FV500, Ultra Pre. Also insight 250 and t-8 pre sound good.
ht3s - best sound amp was the bat vk-v600se. McCormack DNA500, Dodd 120s CI Audio d200 and moscode 401HR also are good.
HT3s with Spectron Musician 111 MK2 Amp, Audio REsearch LS 26 PreAmp.
sogntowers van elstine exh 440 for standard songtowers
ht2-tls emotiva xpa-1 monoblocs
ht1 with AVA synergy300
SongTower LCY with Parasound23, but this is not beefy enough.
ht2=tls driven by the AVA Insight+ 440 with the double die option.
Page 2:ST & SC driven by the AVA 240+/3 amp with double die option.
A Big +1 to the DNA-500
A discusion about enough power being important.
HT2-TL driven by Parasound 5250 and Anthem AVM20 prepro.
Songbirds driven by AVA insight & control amp. Upgrading to Synergy amps and T8+ pre soon.
SS12s driven by Wyred4Sound MC5 (and they sound stupendously great with 1140W @ 4Ω)
Butler amps were a little slow and soft with the Salk Speakers.
SS10s driven by a McCormack DNA-2 modded by Steve McCormack. Also used Odyssey extreme monos and an AVA ultra 550 double.
BRM has a soft spot for Wyred amps. Wyred, Cherry, McCormack are hard to beat price per watt.
fishinbob is breaking in a pair of SX-500s. Amen!
page 3:HT2-TLs with AVA Ultra+ 550.
HT3s. LSA Signature integrated amp had great sound but not enough power. Monarchy SE-250 with AVA Eklipse preamp.
HT2-TL in 5.1 powered by Anthem Statement p5, with matching D2 preamp.
Wyred4Sound's 7ch 3x 500, 4 x250 for the main HT. D-Sonic 3x500 2x250 for the smaller HT.
HT3s using Pass XA30.5 with a Modwright Transporter. The Class A really makes the Salks sing!
Hypex Ncore are not only the best class d amps, but excellent period.
HT2-TL powered by a pair of Quicksilver 88 monoblocks. Attennuated by Placette audio RVC. DAC is Ayre QB-9. Utterly transparent heaven.
page 4:BRM's huge list of amp history is summed up by saying "I love my Samsons. I would not hesitate to use BAT and Wyred again from my list."
S10s with Sanders Magtech
Much love echoed for the Wyred4Sound range, with the d-sonic mentioned as it uses the same modules but with budget switches.