If Google Drive would release a native Linux client, I would as well. They've been promising one is coming soon for years now, though. I should probably just give up.
dropbox support across EVERYTHING is why I continue to use dropbox for frequent stuff...
I use BTSync for "heavy lifting", since there is no cap on usage (other than bandwidth caps) but it doesn't run on everything.
My web dev company uses Google Drive for everything and we use FreeBSD exclusively. You can access it all from the Google home page. In Chrome, there's a button on the tool bar.
My only concern with using Google Drive is worrying about it's future. Who knows if it will get axed like Google Reader did. At least with using DropBox or other alternatives you know what the companies MVP is.
I like Google's pricing a lot better, but it really does not deal with locking/conflicts as well as Dropbox.
Does Google Drive have a different privacy policy to GMail?