Thank You Points: 20% off on select Reward Redemptions (GoPro, a couple of Coolpix)

Good until 8/31/15, if you have enough Citibank Thank You Rewards points, they are having a 20% off redemption sale on select items available through their rewards program. The offer slideshow shows the Nikon Coolpix S7000 and S33 waterproof, the GoPro Hero + Handler, etc. I don’t know if the list of rewards differs depending on which credit cards you have linked to your Thank You account so there might be a bit of YMMV. No coupon needed, the points needed to redeem are adjusted automatically by them.

Strategically this may be a good deal if the discounted redemption price in points is lower than the actual price at major retailers, and if it is better compared to other redemptions (eg gift cards for various retailers).