I think the 30k MC offer expired.
But there's also a 5k for Citibank USA savings (Offer C2XZ expiures 12/31)
The 30K Citibank AA Visa offer is still good:
http://creditcards.citicards.com/usc...C9AC00D74F52D4
This American Airlines AAdvantageŽ mileage offer is only valid for new CitiŽ / AAdvantageŽ accounts applied for by December 31, 2009, and excludes any other CitiŽ / AAdvantageŽ credit cards offered. The American Airlines AAdvantageŽ miles will appear as a bonus in your AAdvantageŽ account 8-10 weeks after you have met the purchase requirements.