I'm not sure about 3) and 5), but Netherlands is not a bad choice — almost everyone speaks good English, climate is moderate and wages are quite decent, if you land a good job. At least in comparison with Estonia, Lithuania or Latvia that some have suggested in this thread (I am Latvian myself). Problem with Baltic States would be a lack of serious hacker/startup communities, lack of English speaking population and, of course, quite cold winters :) Then again, living in NL is much more expensive too.