Cayley, let's see. LH, SK, KLAF, DL, UA, AA, there are others, its an old game and many airlines play it.

The funny thing is that once upon a time I did fly BA enough to be GGL, and never got anything special out of it (yeah, i got a somewhat okay leather passport holder/wallet one year).

Fraser, it is/was my understanding that there are 40-50k golds in recent years.