A TiPb reader informed us that he was able to stream a 50 min. long concert this morning via iTunes Match, but now he's being told to connect to Wi-Fi to play anything that long.
Both iTunes and the App Store have a 20MB limit on 3G downloads, however iTunes lets you stream content on 3G that go over 20MB, like podcasts. While there's been some debate on whether iTunes Match would ultimately be downloading, streaming, or some hybrid of both, it appears it could fall under similar or the same 3G streaming restrictions regardless.
It's still early days for iTunes Match and settings might be getting flipped back and forth a bit, so we'll wait for things to settle down before we do anything other than inch towards conclusions.
Anyone else hitting 3G walls when using iTunes Match?