Cool, MVS month. I have Blazing Star and Strikers (my PS1 version of Viewpoint doesn't count, lol). I have the most experience with Strikers, although that was a really long time ago.
Speaking of Viewpoint, that game lives up to the name and messes with my head so much. For example, my brain wants to push left to move the ship left relative to the direction it's facing: that is, push left to move up-left relative to the screen. Did Zaxxon play that way? Maybe that would explain it. I wonder if I would do better if I rotate the joystick a bit and play Q*Bert style.