Originally Posted by
mclem
Rather than switch everything from AA to UR for better rewards, check evreward.com to tell you which reward program or credit card will give you the most points or miles. For example, REI is 3 AAdvantage miles per $, 2 SkyMiles, but is not part of Ultimate Rewards. By checking evreward.com before each online purchase, you'll always make an informed decision about the best options.
Give me a couple more days and my site will be one hair better and compare credit cards to stores to maximize the points. You will select the credit cards you have from the list, choose the store and it will tell you the best card to use, shopping portal, and calculate the points.