I would like to venture that we are seeing in some ways a repeat on Wii what of we saw on DS. As we know, both systems were hyped for their innovative features and sold pretty well at launch, but look at the software:
- The most well-received launch title for Wii, Wii Sports, isn't a really fantastic game with a lot of longevity, but show a ton of promise. On DS, that game was Mario 64 DS. The minigames showed a lot of potential for what DS might do.
- 3rd parties mostly approached DS from the standpoint, "Hey, it's new and innovative, so people will buy any old crap as long as it has touchscreen controls." By contrast, Nintendo made great games in their own right that were truly enhanced by the touchscreen--Advance Wars, Warioware, Brain Training, etc. We're seeing the same thing on Wii. Besides Wii sports, Nintendo's dishing out Warioware, Zelda, Pokemon, Metroid Prime 3, and Mario Galaxy, all of which look to be quality titles. Meanwhile, nearly everyone else is giving us broken ports of old games, or new games running on graphics engines that didn't even look good for last gen.