@DJ: That list needs another angel
Avacyn has been a HUGE factor in any control colour combo I've run using White. The flash/block (indestructible on said block too) then swing with Vigilance has been critical to a lot of won games. I don't even care about the flip side, but in your deck running Gideon and Kalitas, killing one of your tokens wouldn't be hard if you want the board wipe and better stats.
Also regarding WeCo's deck. He asked me to run it against him last night, and to quote him "That was extremely unfun to play against..." so I apologize to Kryder because I think I broke him by the time you recorded the video
The big thing this all comes down to is what our META will end up being. There were times when I wished I was Jeskai instead, the early removal options being much more useful than the prospect of losing more life with Unmaking or Ob Nix. That's where I see aggro potentially gaining too much ground before sweepers in some cases (also the double black for Languish was a BIG ask for turn 4 since Black is the splash here). But against Walkers.dec and other Control decks, this will be better positioned. So to me, I would wait and see if more people run Walkers.dec as they unlock all the cards, as I think that deck could end up being this season's Ramp.
I'm going to give your list a try as well DJ, still not settled on an Esper list that doesn't feel like diluted Azorius, slower Abzan or shakier Jeskai. I think Kalitas maybe the key. I will also disagree somewhat on the Pore>Catalog argument. If you were running just the wind, then Catalog is 100% better than Pore. Early draw for answers is where I most often need it, not turn 5 when I could be dead. Pore has a place in my lists as a 1 or 2 of as it is a great card, but aggro makes it hard to drop Catalog. Also, I really don't like Unmaking too much for the same reason. During my first game with WeCo I could have killed myself to exile a critical card, but luckily I could win without it. It's welcome in a deck with more lifegain like W/B Lifedrain, but in an Esper shell it's a bit shaky
Also consider Ayli guys. A 2/3 Deathtouch makes a fine blocker and she has some upside too for sac'ing tokens for life if needed (or your fat Kalitas if he eats removal). I think DJ may be on the right route by considering more creature/token idea for Esper over the draw-go machine Jeskai is.