Typing DS Lite as a Computer Game Platform seems kind of confusing, as there are no technical differences between it and the original DS. Should this really be a platform, or should we consider a new type for console revisions?
DS vs. DS Lite
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There are two approaches to this I think:
1. Don't treat DS Lite as a distinct game platform. Instead, assert that the platform is DS. That is, if all games that work on DS work on DS lite, then this is probably the right answer
2. If not all titles are compatible, then keep DS Lite and for all games that are compatible, add this to their platform property.
Also, to support option 2, we could better possibly create a relationship between DS and DS Lite. This could be called "similiar platform".
Do you know of other examples of this kind of problem?
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The DS Lite is just a newer form factor for the DS. There should be no difference in compatibility as far as software goes. It's pretty much the relationship between the Game Boy and the Game Boy Pocket and Game Boy Light; different form, but runs the same software. Another example would be the Sega Genesis and the Sega Nomad.
From these examples alone, I could see the virtue in somehow identifying the different hardware revisions of a given system. There are also multiple incarnations of the NES, Super NES and Genesis. From a collector's standpoint, it would be useful to distinguish between these separate hardware designs. Perhaps another type is in order?
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