Westpac is still offering co-branded Amex cards, though I don't know how long they'll stick around. Note also that you can take the signup bonus as Qantas points and then switch to altitude …
The Amex Explorer is back on the 100K Member Rewards (Gateway) signup bonus. The last time this ran, referrals earned 110K points, but I don't have a referral code. I'm sure those who do …
