i have another question also if you dont get a letter from the us embassy can you use the printed out e mail to get in for the interview thanks mike

Yes, that's what i brought in my interview before. And few here also brought the printed appointment email.

my interview will be next week, the person i talked to on the USEM hotline instructed me to present the appointment confirmation letter they sent via email to the guard at USEM on the day of the interview.

thanks for the help every one mike