Originally Posted by
Uncle Nonny
500 mile stickers only good domestically. You could easily use your miles in a round trip to SA. Possibly even premium cabin on one of the legs. Platinum status is rather dull. Depending on your route upgrades can be very elusive. Checked bags and MCE seats are the only real advantages you have over the civilians.
Lounge access for Non North America destinations (Although Mexico City is OK) is a useful benefit.