As much as I like the idea of GOG, it annoys me that they don't offer versions for the original hardware, as it would take little effort for them to do so.
Agreed. Playing VGA games in a DOSBox is nice, but I recovered my 386sx clone from my parents' garage that still boots DOS 6.22 on 5-1/4 floppy and I very much wish I hadn't given away all my disks (diskettes :) before I moved.
I was annoyed that I purchased Civilization III, and it came with a readme saying that by default it would launch the game with all expansions, but if I wanted to play an earlier, unexpanded version (which I did), I could just go to the install directory and start the earlier .exe.
They don't actually package the earlier .exes. You get one choice.