$50 offer from Capital One : Venture Rewards Credit Card

http://www.capitalone.com/creditcards/products/details/?sol=11170%26tc=2%26credit=0%26linkid=WWW_0608_CARD_TGUNS01_Z_Z_01_T_CP17002EW

Terms:

Get 10,000 bonus miles when you spend $1,000 in the first three months.

Annual Fee: $59 (waived for the first year)

You can also redeem your points for cash, gift cards, experiential rewards, brand-name merchandise and more by visiting www.capitalone.com or contacting our Rewards Center. The number of points required is based on the cost of the chosen reward. For example, you could get $25 in cash back for 5,000 points, redeem for a gift card worth $50 for 7,750 points, or even redeem for great brand-name merchandise worth $100 for 20,000 points.