The upcoming expansion for Guild Wars -

There is a lot of confusion when it comes between the information available for GW:EN and Guild Wars 2. Yes In Guild Wars 2 you can develop your character beyond the limits that have been around before, but no the level cap has not risen. You will still not be able to get your character or its attribute points past level 20

At Games Radar, they have had an interview with some A-Net staff and have put up the information they gleamed up for all of us to read

http://tinyurl.com/3yo239 - Games Radar link shortened

(If that doesn't work use this -
http://www.gamesradar.com/us/pc/game/news/article.jsp?articleId=2007062113011105066&sectionId=1006&pageId=2007062113613852052)