I liked fallout 1 and 2.
I liked fallout 3.
I sort-of think that the isometric view doesn't really show off the "pretty colors" "and cool looking environments," and thus would not be as appealing as other graphically intensive games that people tend to purchase.
So I sort-of understand...
If it is still not working for you, the .cfg file you created might be the culprit.
Lets assume you did the Humungo install directions, so the text file config would be:
"[system]
master_dat=c:\games\fallout\master.dat
critter_dat=c:\games\fallout\critter.dat
[sound]...