During the last years Sony has presented some of their games weeks before of the E3. Little Big Planet 2 and Infamous 2 are recent examples of this way of proceeding.
It seems this year we will see some new games before E3 arrives next month. All of this according to Fred Dutton, SCEE Blog Manager, who has stated that the company has “a busy week in the offing“. Dutton has also posted this comment on the official Playstation Blog:
some intriguing game announcements planned
Some retailers are already listing GT6 for Playstation 3, so an announcement may not be so far as we think. Of course this tease could be for some other unannounced games for PS4, PS Vita or PS3, but Gran Turismo 6 has gain special prominence in the last weeks, so, the game has serious chances to be presented.
Remember, according to Newegg, Gran Turismo 6 for PS3 has a release date set for November 28th: