I like this thread because it shows how different we all are. I have bailed on a few games, but I loved all the MYST games and still think that URU is the best game ever made.
I like them too. Even when the puzzles are too much for me, I enjoy exploring the imaginative environments in the Myst games.
I wish Cyan had made another single-player game before releasing Uru. Not many Myst fans had fast enough Internet for the online version in 2003. 2003 was too early for an online game like Uru, and it didn't really have a chance.
Some widescreen monitors can be set to Picture format - 4:3 in the menu. It can also sometimes be set in the monitor option in the Windows control panel, depending on the graphics card. That way, you get the same aspect ratio as on a CRT monitor, which most likely will reduce motion sickness. This method is also very usable for older games that display in a stretched-out format on widescreen monitors.
I've used that to prevent games from being horizontally stretched. But unfortunately it doesn't work to reduce motion sickness. Maybe because the black bars at the sides on a widescreen are the same distance from your eyes as the rest of the screen (as opposed to seeing around the sides of a 4:3 screen) or maybe there is something about new LCD screens themselves.