Expect Sony's Conference To Last 2 Hours.

For comparison, Nintendo will speak for an hour and Microsoft for around 95 minutes. The news has broken from Geoff Keighley's Twitter page, who incidentally, likes to make sure his Twitter page is never too far from the gaming press. He wrote:
[quote]
To those asking about the length of e3 briefings, Xbox is supposed to be 95 mins, Nintendo a clean 60, Sony approx 2 hours.</blockquote>

Remember - timing is not usually indicative of announcements. But hey, Sony have a lot of stuff to get through.