Order the mgw310 and lock in your hex. sounds like your in a good position and will get a lot of ads-b traffic. Make sure your antenna is high enough, line of sight, to get clear signals. Plus you get geodnet data/tokens which are pretty good. again antenna high enough to clear at least above 10 degrees of horizon. Wingbits will get better as they can sell the data commercially which is lucrative market.
I would totally go for it. Get the antenna up high and you’ll be rolling in the rewards. I’m not around many airports but I get a large area since mine is 30ft up on a hill.