I wasn't aware of Kuma until I saw this thread. It sparked my curiosity, so I went to their site to take a look. They look like pretty nice grills. I hope others get you some good information on them to help you decide.
Though I think part of the challenge you might find is that there are a lot of established players in the price range this is in. With WiFi and a open flame, you're getting close to a Memphis Advantage on price that already comes with these (especially if you find any deal at all).
True, the Memphis Advantage is another grill I'm looking at. Truth be told there are a number of better features on the Kuma. Double wall insulation, ability to expose the searing option without having to move things around, larger pellet hopper. I'm still researching my grill options though and haven't ruled out the Memphis Advantage yet.
The Advantage has double wall construction as well, right?
It does not. It's actually pretty misleading. The cover when closed has double wall on the sides as the cover. Take a look at this picture you can see how the grill sides extend above the cooking surface and when the lid is closed the lid covers over those sides and for some reason they think that's enough to call it 'double wall' I think it's actually pretty lame of them to say that.
OK, I recall that now. But also consider that out of the grills that were tested for pellet consumption back on PH, I think the Advantage was the winner at all operating temps, so the construction probably achieves the desired results. Not trying to steer you one way or the other, just passing on info that I remember.
I came really close to buying a Kuma, and probably would have if a used Elite had not come along for a great price. I really don't need the space of the Elite so if I were shopping again, the Advantage, Kuma, and PG500 would probably be my top 3 choices.