There sadly isn't, though it's not that many "required" machines. With a GB, GBC, GBA, DS, and DSi (when there are enough exclusives to warrant a purchase from you), you are set. 5 systems in 20 years is not that bad, is it? The one thing I don't get is "4th DS", this is the 2nd DSi, not the 4th DS. The GB had 3 versions, the GBC had 1, the DS had 2, the DSi has 2 now, but the GBA had a total of
5 differnt versions!
1. GBA
2. GBA SP
3. GBA SP with Backlight
4. GB Micro
5. Visteon Dockable DVD...
GBA had the most revisions, but I don't really see that much complaining. Yes the DSi is a DS, just as the GBC was a GB, but they aren't they same thing. As soon as the specs change and exclusives are made, they become totally separate, though similar entities. Now if Nintendo wants to make yet another DSi after this, just no...