The character models will make or break this for me. I'm not a fan of arbitrary design changes. I wasn't with Boom, and I'm not any more inclined to be so now, but if the actual models and animations are solid I won't dwell on it too heavily. I'm going to be honest, I am not a fan at all of how specifically Sonic and Tails look here. But I don't know how much of that is due to the style of the concept artist vs. what we can actually expect to see from the show, so I'll withhold additional judgement until we know for sure. At the very least it seems they're taking inspiration from some game locations, there's a lot of Eggmanland influence in those tech areas.