I've been using a 1.5TB Samsung drive since July, and also a Samsung F4 2TB drive since August without issues. This is not in an unRAID server, just my main PC. It is unpatched, and I am annoyed that Samsung would provide a new firmware patch that has the same version number as the "bad" firmware. I don't know why anyone would do such a thing. The 2TB is aligned, and it is FAST, as is the 1.5TB drive, just not as fast.
I'm hoping that the Hitachi Green drives are without problems, but the F4 2TB drives were THE drive to have before it took a few months to discover the silent corruption issue. I wish a drive maker could produce a 2TB drive that just plain works.