I followed this thread when I was researching a SET amp for my Silverline Sonatinas. Now that I have lived with my SET amp - Moth s45 - for a month I though I'd share with everyone my experience.
http://www.audioutopia.com/cgi-bin/yabb/yabb.pl?board=general&action=display&num=1014588448
http://www.audioutopia.com/cgi-bin/yabb/yabb.pl?board=general&action=display&num=1014588448