Miles by Discover Card is currently offering 20,000 Bonus Miles for new card members plus 0% intro APR on balance transfers for a year.  For every $2000 spent within the first 6 months, you can earn 10,000 miles. Miles by Discover Card also offers 1X mile for every dollar used, without limit, and 2X when used for traveling and eating purposes. Miles can also be converted to cash or gift cards. There is no annual fee with a Miles by Discover card.