Demaestro - 7:08 pm on Feb 18, 2010 (gmt 0)
D.O.C. the opposite of C.O.D.
Delivery on receipt of cash.
Have them send money orders or wire money to you. Once you get it, you ship.
Fraud protection will not save you from charge backs. Nothing will.
If you want to accept credit cards then you have to accept the fact that charge backs are offered by credit card companies as a service to their clients. No gateway taking credit cards can tell you that no chargebacks with be issued because it isn't up to them it is up to the card company.
I am not sure what happens in Google checkout if someone claims to not have received the goods despite you having shipped.