No one believed Google on April 1, 2004, when they announced 1 gigabyte mailboxes. In 2005, Google announced they would double the quota -- but the announcement came out on a Friday, and once again, an April Fool's Day.
They say that the White House long since learned to put out press releases for bad news stories on Friday afternoon. I don't know when Google put out its 2 gig Gmail press release Friday, but the international media is still catching up to the story Monday morning.
The mystery of the new quota continues as well. Google says a fraction of their Gmail users bumped against the 1 gig limit; I was 2/3 there. Here's my current quota usage:
You are currently using 697 MB (34%) of your 2056 MB.