TUAW claims that apple will be holding a special event on the 26th of feb , no word yet on what that event would be but sources say that it might be concerning the release of the iPhone SDK , Apple is due for a number of potential releases in the coming weeks: Apple TV software revision, MacBook Pro updates, and Mac OS X 10.5.2. The iPhone SDK, however, is the most likely to warrant its own event.

Source : TUAW