Disappointing many, the long-awaited expansion to Half Life 2 is being yet again delayed. For reasons unknown, Valve has stated that the game won't be released for many more months, extending into summer of next year:

Valve's Doug Lombardi told CVG today that Half-Life 2: Episode Two's release has slipped from Q1 2007 back to summer 2007. Lombardi told us that the super developer is "now targeting summer 2007" for a release. This obviously affects Team Fortress 2 and Portal, which all form part of mouth-watering Episode Two package.
Many were looking forward to the release, which was originally supposed to be here this year. However, given the double edged sword that is quick yet bug-ridden releases, it's often better to have a delay for quality improvements than a game pushed forward when it doesn't need to be.