Canon has a few announcements starting next week, supposedly on the 27th/28th. The rumor is it will be the 5DMkIII as well as the Canon 590EX Speedlite. Canonrumors.com
has the articles on both, with very probable specs on the 5Diii. Canon is also rumored to be announcing the next Rebel T4i camera on March 2. Stay tuned for more info.