You can find it under the Wii Software section in the Wii Shop, and it, obviously, comes absolutely free of charge! There are currently six videos available, with one more being added this friday. Next week is Metroid Prime 3's European release, so go grab the Channel and get in the mood already!
Drake is Mr Virtual Console, with more classic games rattling around his head than there are minutes in the day. CapnDrake
Also, the audio jack on the system works when docked, which is nice
"We will share more information in the future"
Hopefully it's the patched version