It's impossible to get an EE email account. EE retain all their email domains & won't be releasing them to anybody any time soon; That's why you can't find out about the new address format. Someone's lying to you?
I'll come back to you later on how to transfer your contacts.
What domain is your email addy on (the bit after your name)?
1999: Freeserve 48K Dial-Up => 2005: Wanadoo 1 Meg BB => 2007: Orange 2 Meg BB => 2008: Orange 8 Meg LLU => 2010: Orange 16 Meg LLU => 2011: Orange 20 Meg WBC