According to northlight-images.co.uk sources , there will be an announcement from Canon about their new pro DSLR , Canon EOS 1Ds Mark IV , on the 31st of this month. End of this month ? sounds like cheap rumor to me since we haven’t heard a bit about its specs or other solid info.
But from CanonRumors, there is high chance that there will be new Canon Rebel cameras at CP+ trade show event. They are Canon Rebel T3i/600D and T3/1100D. I’ve posted about their specs before : here and here