Two new Canon PowerShot cameras have been leaked form a recent filing in a Taiwanese government agency. Those are most likely the new products that will be announced at the May 31 press conference. The Canon S200 will have a 5.2-26mm f/2-5.9 (35mm equivalent: 24-120mm) and is probably the replacement for the popular S110 model. The second camera appears to be the replacement for the SX500 IS super zoom:
Via Digicame-info