Most of the planned increases will be modest, unlike some dramatic award chart changes we've seen other mileage programs implement. (upgradedpoints.com)
You can find more details about these and other mileage programs at Which Credit Card Should I Get? (milesbriefs.com)
In this article I've decided to feature the more widely - collected mileage programs (omitting Delta because I just know nothing about Delta...) but there are certainly other mileage programs with stopover rules worth - mentioning. (freakinflyers.com)