Well, most people complained that the memory cards are too expensive, so maybe if that problem were fixed then that could be a good start. Other than that, bring on the games, try and get that price point near the 2/3DS's price point as soon as possible.
Generation 8 Predictions so far.....(as of 9/2013)
Console that will sell most: Nintendo Wii U
Who will sell more consoles between Microsoft/SONY: SONY