There are authentic sneakers at the Poteet, Misson and Eisenhauer flea markets. Of course you still need to be careful because there are plenty of fakes at each of these locations.
Concepts doesn't have a webstore.
The pictures in the Zappos link might be the same. The colors just looks off. I say this since I have the infrared Ultratude and they don't look as orange in person. The infrared colorway is similar to the infrared on an Air Max 90. Thanks for the link since I...
Wish I could help. I looked online for some time to get a pair but no luck. Luckily I was just in Boston and picked up the pair in the "infrared" color way at Concepts. I still want the pair you pictured as well.
I wasn't planning on going but since the Red Sox will be in Arlington I may have to reconsider. I just hate the drive especially coming back home on Sunday after the show.