The deals DO NOT look great this weekend.
I would wait on the Air 2.
Wait until Best Buy has $50 off (16 and 64gb)or $100 off 128GB (they did 2 weeks ago).
Then combine the $50 or $100 discounts with the 10 percent coupon.
Check Best Buy online each day. They are pushing the minis this weekend, so give it another week or two and the Airs may come back up.
When Best Buy had the $100 off the 128GB a couple weeks back, combined with the coupon, I got the 128GB Air 2 for $539.99. Sadly, I had to return it as it was scratched out of the box.