I had one to earn 3 TYP's on all purchases...
But, if you have that many unmatched flight points, and a high credit limit on your PPE card, might I suggest you check out these 2 threads:
http://www.flyertalk.com/forum/other...ibank-cds.html
http://www.flyertalk.com/forum/miles...s-account.html
Turned out to be an instant unlock of all my flight points. In fact, now I've got to fly about 50K miles as I've got purchase points without flight points to match to