Originally Posted by skipaway

It all changes in 2 days for AA, and your RDM will then depend on two things: your status and how many dollars you paid for the ticket. Multiply the dollars by 5, 7, 8, or 11 depending on status form none through EXP. For example, if you are gold and paid $1000, you get 7000 RDM. Depending on ticket price and status, you may well come out ahead of old system. Or not. So no pat answer to best value without doing the calculations.
I don't know BAs current mileage accrual system, but their site should tell you. Also consider how many miles you've already accrued in each program. You don't want orphan miles sitting there--too few to do any good--unless you have a transferable partner CC.