I used to use MirageOS because its what everyone else at my school had and none of the games I had were incompatible. Then I downloaded Doors - can't remember why it wasn't because of an incompatability - AND I'M NOT GOING BACK!!!
Originality 9/10 - its Windows, as the name shows
Ease of use 8/10 - took me a while to find out how to right click (ALPHA)
Speed 9/10 - it takes a while after program execution to return to Doors
Functions 10/10 - Nested folders, icons, alpha-clicking
GUI 8/10 - You lose your folder structure if your RAM crashes
Features 10/10 - I like the meters - although I don't believe the battery one works
Compatability 10/10 - works.
Usefulness 9/10 - takes a while to get used to after having MirageOS for 3 years
Size 8/10 - twice as big as MirageOS was.
Program execution 10/10 - runs all my games, but so did MirageOS
TOTAL 91/100 - DOWNLOAD NOW (that is, if you have two free App spaces)