ranles: i'd say it is most certainly milesBuzz! It is certainly frequent flyer program related (can't earn the bonus without being a member) and this is not about one program in particular, it's about comparing them and in the case of Alaska, even more bonus miles.

As for the comparison, you really might want to consider seeing what webflyer.com has in their NotiFlyer news section, here's the link:
http://www.webflyer.com/programs/notiflyer/#art_162