heise online just posted some news, that the iTMS may come to Germany on June, 15th. The info is said to come from "well informed circles", but Apple hasn't commented on it yet. Here are the links:
http://www.heise.de/newsticker/meldung/47960 (in German)
Google translation (quite bad)
http://www.heise.de/newsticker/meldung/47960 (in German)
Google translation (quite bad)