This one is for the Blackberry users out there. Any tips? Do you leave the Blackberry on and get email? If it is on but you make/receive no calls will you get charged by the ship for the phone? I'd love to be able to get my email but do not want to pay through the nose to get it and would love to be able to be reached on my phone in case of emergency. Disney Black Lab is 13 and staying with the house sitter but for some strange reason is not alowed on the boat.