Here are the upcoming AT&T phones. I will have some posts for the other carriers coming soon, and will update this list as I get more info.

LG CU575 trax - July
Moto RAZR2 V9 - July/August
Moto RAZR V3xx pink chrome - July
Moto RAZR V3xx red chrome - August
Moto RIZR Z9 (rumored) - unknown
Samsung A117 GoPhone - unknown
Samsung A517 - August
Nokia 6085 - July