Thanks for the feedback.
I did some research on various cards but I couldn't find out specific details on them (i.e. $cost to me to actually cash in an award - taxes, fees; how many miles I would have to redeem for an airmiles ticket). The info available is pretty basic.
I'm thinking I should just stick to a cash back card. It seems that most offers are up to 1%, mainly .5% for a certain amount of spending and 1% after surpassing that amount.
The SPG Amex sounds good. I didn't see that they would waive the first year so is it something I have to request? Also, are there any ramifications on your credit score in cancelling a card within a short period of time after opening?