The New York Times has suggested that Manchester is on its list of 40 places to visit. The actual write up was pretty pants though: suggesting a cafe in Fallowfield, the Deaf Institute and the usual wax museum musical mystery tour that provoked this.
Stephen Bayley has written a lovely piece in the Daily Telegraph, here. He says of the Northern Quarter, that it "makes the Sohos of London and New York appear as sleepy as Bath". I think that's overdoing it a bit, to be fair.