Update: Some offers mentioned below are no longer available. View the current offers here.Citi is a TPG advertising partnerOffer expired February 28, 2011.Citi has been running some hearty AA bonuses this year, offering up to 100,000 AA miles. While the 100k offer is no longer, they do have a generous 75,000 mile sign-up bonus that only requires $4,000 in spend in the first 6 months.Highlights: Low spend threshold, no annual fee ($75-85) for the first year, flexibility of Visa or American ExpressThis is a great starter card for someone who wants to get into the points game. 75k AA points are substantial and can be used on one-way awards- even on partners.Sign up for our daily newsletterEmail addressSign upI would like to subscribe to The Points Guy newsletters and special email promotions. The Points Guy will not share or sell your email. See privacy policy.