Welcome to Flyertalk.
If you were to use the Search this Forum function you would find these existing discussions which should help you decide what's best for you:
http://www.flyertalk.com/forum/other...rd-lineup.html
http://www.flyertalk.com/forum/other...edit-card.html
Also, Fidelity's competitor Charles Schwab has offered a 2% cashback VISA for quite awhile:
http://www.flyertalk.com/forum/other...verything.html