Since this news was getting largely ingnored, I thought I'd start a thread. Sony is hosting a huge event at the Hammerstein Ballroom tomorrow at 6EST (coverage starts at 5EST) and is expected to unveil PS4 and a bunch of new titles. The event (at least 1 hour long) will be streamed live through Sony LINK
and GameTrailers. LINK
Gamespot Stream - LINK
There's going to be a ton of developers and publishers present for it. Specific details are unknown, but there's a lot of reason for excitement.
The last two PlayStation Meetings In January 2011 to announce the PlayStation Vita (then-named NGP) and in July 2005 to discuss PlayStation 3 launch plans. According to a Wall Street Journal report, Sony fans will not want to miss this event. The newspaper has heard from sources that Sony plans to announce the PlayStation 4 during its briefing, beating out Microsoft to reveal its next-generation platform.
CVG also has a liveblog (with video) set up for the event. They guarantee the PS4 will be shown. LINK
Also, here's a video from GameTrailers on the how the evolution of Playstation. LINK Cliff Notes and Announcements:
(will add as things come in)
This post was edited on 2/20 at 4:48 pm