I was facing similar problems but I found a few distributors for imported amps:
Audiophonics (FR)
Based in France, they sell Schiit and Audio-gd gear. I haven't really digged deeper but I guess they will also have numerous other brands available.
Thomann (GER)
Generally a good source for audiophile/studio equipment, i.e. Lake People/Violectric.
Inter Projekt (PL)
Audio-gd. That's mainly it, but their offer is different from Audiophonics. So if there is an Audio-gd amp/dac/combo that you want that's not listed on Audiophonics, give this one a go. Apparently the prices are w/o VAT, though. Haven't bought anything from them yet, just repeating what I read somewhere else!
Sonority Audio (NL)
Schiit, Burson Audio, YBA, ... good stuff, generally. Plus they are extremely helpful.
Madooma (GER)
Generally has more expensive stuff from Lehmann Audio, Furutech, Violectric, HiFiMAN. I bought my HiFiMAN HE-400 there and I have to say that I have very rarely experienced such brilliant customer support. The owner, Dr. Scheer, would answer emails at any time of the day when I bugged him with questions or requests, even while they were officially "on holiday". Massively impressed.