Decided to go for it...$15k limit, which is kinda shocking b/c I haven't been able to crack the $10k barrier with anyone else. Maybe it's because Barclays has been sending me snail mail promos every few weeks for the past year.
Anyway, I'll keep this for a year at least. The 40k miles + 10% refund on redeemed miles is worth $95 to me.