Circulating tips suggest that Canon will announce a ruggedized compact camera at next month's PMA expo in Las Vegas. Canon is not typically associated with rugged gear, as even its professional-level DSLRs (such as the EOS-1D Mk. III) are at most weather-resistant. The unnamed compact is expected to be waterproof to a depth of 26 feet however, and shock-resistant to drops as far as six feet. It