looks like Samsung Norway confirms it's coming soon:
Samsung's Galaxy Note and S II getting Ice Cream Sandwich soon | Crave - CNET
Samsung's Galaxy Note and S II getting Ice Cream Sandwich soon | Crave - CNET
Talked to Samsung tech support this morning on another issue and the rep said the AT&T release date was Feb 19. He found the date on some document that was given to him recently.
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I think that Feb 19th is unlikely. Samsung have said on Facebook that it'll be towards the end of Q1, and from the leaked builds it's quite obvious they're still adding and changing features. There's no way it'd get through AT&T's (or any carrier's) testing for Feb 19th I don't think.