I just called United cust. service on 4/10/10 at noon PST, asked to speak with a representative and said I wanted to apply for the 50k Mileage Plus card. They transferred me to Chase, I applied and got approved for the card. So, the deal is still on. You must however have the cust. rep at United transfer you. If you go through the phone tree and try to apply for the card, it will lead you to a dead end.

Good luck and jump on it now, b/c I doubt it will be around for very long.