I stumbled across one which was almost slightly convincing - short, to the point, not ridiculously badly spelt, fooling nobody but an A+ for effort - which was only let down by the name of the sender. It matched the email address (which they rarely do - again, A+ for effort!), but his name was listed as "Sergeant Gregory Joe."
I absolutely adored that a. he made himself a Sergeant, and b. he decided that "Joe" sounded like a nice, common, English-language surname. He is my favourite scammer ever.