Something that the Wii and DS don’t exploit enough is the interoperability of the two systems.  Sure, you can download some demos from your Wii to your DS and a few games support using the DS to control a game on your Wii.  The upcoming Ghostbusters game for Wii will apparently will not feature the use of a DS as a PKE meter.  Why not do this sort of thing more often?   Maybe there aren’t enough people who own both systems, so this week we’re curious: