Unlike the WN bonus offer for 50000 points, this bonus offer for 2 roundtrips (32 bonus credits) + 2 BC upgrades is still valid.
https://creditcards.chase.com/a1/airtran/32specialoffer
Application:
https://applynow.chase.com/FlexAppWe...DF01&SPID=F2SK
This offer is also being promoted in airports.