Been doing a bit of delving on the B&C pages today and found this thread. Its been ages since its had a post, but I wanted to provide a couple of small updates.
Tabletop Game and Hobby in Overland Park now has a sister store in Cardboard Corner Cafe, They sell food and drinks and have an extensive game library open to customers. 40k Open Night has switched to Thursdays, and Kill team has open nights on Wednesdays. I don't know if HH has a regular open night, but I know it has a very strong community that runs out of the store.
Mission Board Games opened a North Kansas City location (Technically Missouri, but that's life in a split metro) a couple of years ago and has an open-play 40k/KT night on Wednesdays. The shop doesn't organize many tabletop events, but they have friendly staff and store terrain.