+1, I live in Germany. Sometimes a concert bass or a coliseum pops up, but not very often...
I found some stuff on ebay (mainly USA), ebay "keinanzeigen" and on facebook (look sunn amps comm.). I got a 2000S, a 350B (= 2000s), two Sorados (one with GZ 34, the other solid sate), a coliseum 880 and a concert bass. I use two 4*10" Sunn/Fender (H 410).
I totally like the sound, the dynamic and the "feeling" of the tube Sunns, I use the 880 just for redocring (great fuzzy sound). I got an old Ampeg V4B from 1978- I played it last night again...nice amp but nothing feels like a Sunn!
Rock on,
Oliver