thanks pandaperth for pointing out the September 2nd date, never received their email about this promo.
in regards to the account page, mine shows:
historic earned miles :132,000
historic redeemed miles: 32,000
available miles:97,000
i only opened my account in march this year, the activity is from sharing between two accounts when i started out with this program.
i would assume that i now cannot buy another 50,000 +50,000 bonus because it would take me over 150,000. yet it shows in the bonus filed that i would qualify for bonus miles. given your information i tried different mile amounts and it only gives me a notice of too many when i try to buy 75,000.
this doesn't really make sense to me but as long as i can rely on the fact that all bonus miles shown will post to my account i'm happy