Welcome
If you are having a hard time just call the number on back of your amex card to transfer miles. BEFORE YOU DO I SUGEST YOU SIGN UP FOR THE 30% holiday bonus for doing a transfer from Amex MR to Delta. I will leave it to find the link on the amex board or send me a message. The thread should say something like Amex to Delta 30% holiday bonus offer widely targeted.

You say you have a lot and the more you have obviously the more the bonus will help you

Also before you do anything spend some time reading flyertalk.