I am looking to sell a Powemac G4. Anyway I have a potential buyer on the hook, who has actually offered me more money then I am asking to ship the computer overnight. I have been around the block a few times, and know that people are always trying to setup scams. The person says that he doesn't want to use ebay, and wants to only pay by cashiers chech, on COD. I know cashiers checks are suposed to be legit, but we all know that they can be forged. So what are some of the ways that I can protect myself, make sure that this person is legit.