>>> Storage is not an issue anymore and cost, not an issue either (atleast for the manucaturers)..
>>> Just the bad quality ones..
>>> Cartridges will be more like flash cards than flash drives, if they make it like flash drives an usb port is too slow they would need a firewire port or something better, and obviously you wont be able to erase the data either..
>>> One more thing, going back to carts will make things harder for piracy..