Soft PC and VirtualPC can go up to Windows 98/NT and if you push it ME/2000 on a 603e PPC or fast 68040. The issue is you need a lot of RAM, the more RAM the fast it will run.
But an LCII? It would make a great DOS Box. You just want to up the RAM to the Max on the LC. If you emulate EGA Graphics, there were a lot of great DOS Games. And of you can find it, VisiCalc was made public domain a few years ago.