The Nintendo Channel is available today and with it comes lots of goodies.

This new channel is intended to be your one stop shop for information on upcoming DS and Wii titles, on top of this the channel will also include trailers, in-game videos and documentaries.

One of the biggest features for the channel will be the ability to download demos for your DS an play the for as long as your keep your DS switched on. Adding a community feel to the channel you will also be able to rate the games you own and recommend them to other players too.

List of videos available:

Highlights Movie
Welcome to the Nintendo Channel
Wii:
Mr. Miyamoto discusses Wii Fit
Discover Wii Fit
Wii Fit TV Commercial
Wii Fit Launch Event
Mario Kart Wii Tournament
Mario Kart Wii Trailer
Michael Owen & Ian Wright play PES 2008 Wii
DS:
Zelda Phantom Hourglass TV Commercial 1
Zelda Phantom Hourglass TV Commercial 2
Nintendogs TV commercial 1
Nintendogs TV commercial 2
WiiWare:
Have you heard about WiiWare?
WiiWare Media Summit

DS download service:

Big Brain Academy
Dr.Kawashima’s BRAIN TRAINING How Old Is Your Brain?
42 All-Time Classics
(Checkers)
Mario Kart DS
Professor Kageyama’s MATHS TRAINING
SIGHT TRAINING
Picross DS

Go to the Wii Shop channel to download it.