From dpreview.com

We have just received official word that Olympus will reveal the successor to their top-of-the-range E-1 digital SLR, currently dubbed the E-P1 although rumored to be called the E-3, on 17th October. While no details about the camera have yet been officially announced there have been numerous leaks point to ten megapixels, Liveview, in-body image stabilization (like the E-510), five frames per second and eleven area auto-focus (as well as normal pro features such as full metal body, weatherproofing, etc.).