4e - The Three Tiers
As part of the ramp up to 4e's release in June, WotC will be releasing exerpts from the 4e books. Here is the article on the three tiers of power and includes a chart showing how many powers a character gets at any given level.
Mental flotsam and musings... most likely around gaming, sci fi/fantasy, comics, or society in general. And beer. Mmmmm... beer.