Most of this information is available on the US Spirit Tracks Website. It has a lot of information about the various weapons and characters that have been revealed as well as images of the artwork that we just recently posted. It also has a ton of small videos showcasing the different items and characters. Some of these videos are brand new and haven't been seen before.
As usual, the sections here at Zelda Dungeon will be updated soon. Spirit Tracks is set to ship in just 17 days on December 7th, 2009. Here at Zelda Dungeon we will be providing a complete Spirit Tracks Walkthrough upon release.