After picking up a TRS-80 Model 4 in Dallas, inside a box of books I found a set of the local newsletters (I live in Houston) and I had never heard of before, so here are my scanned copies of the 80-Computer Users of Houston Newsletters (02-81 to 10-81) saved for prosperity https://drive.google.com/file/d/1oop2jwXuRDMFOcyqLiHgCmD3aE3izWEc/view?usp=sharing
I find it contains an interesting “capsule of time” not as much about the computers but the struggles, and interactions between the ever-growing group of hobbyists getting together to learn and use computers.