Personal experience: It's been likened to getting "Sea Legs" by many including me. You just get used to it. My first VR experience was "The Wizards" on steam, where I tried the settings with smooth turning and my character walking normally. Big mistake!
However now I can do the same...
Think you have to add Half-Life Alyx here too now, probly at the top of the list.
Aside from the one's already listed above I'd say the following should be considered top tier:
1) Pavlov-The King of FPS on VR
2) Valve's The Lab-It's mostly a minigame collection but extremely high quality in...