American gaming blog Kotaku have been in touch with a source claiming to have insights into what Sony are about to unveil this evening during the livestream.
The source claims that Playstation 4 will come with a Playstation Eye camera as standard, that it will be controllable with smart phones and tablets (รก la Smartglass), and that the premium online service will be more like Xbox Live where most of the features are only available to paying subscribers.
According to the source Sony will launch with two models priced at $429 and $529 respectively.
More importantly the Kotaku report states Sony are preparing to launch PS4 this November.
You can watch the livestream announcement over here starting at 11:00pm this evening.