Here's some new info via Magicbox...
Up to 100 Miis can stay in your Mii plaza
The Photo Channel can display a maximum of 1000 photos. If your SD card has more than 1000 photos, you can reorganize the way the photos is displayed
The Photo Channel can display JPEG images up to 8192x8192 resolution, or QuickTime videos up to 848x480 resolution
You cannot save or overwrite any photos or videos stored on SD cards
Software downloaded from Wii Shop Channel is licensed to you, not sold.
You cannot send photos from your Wii console to PC or cellphone users
Parental Control feature does not apply to GameCube games
If you use the messaging feature on the Wii console, Nintendo may monitor your usage and share certain information as required by law
Initial recommended distance for using the Wii Remote is 3 to 8 feet from the sensor bar. Direct sunlight and various light sources can interfere or make the Wii Remote operation less optimal.
By formatting the Wii Shop Channel from the Wii System menu, you will clear all records of your transactions and rights to download software
Adjusting the speaker and rumble settings will affect all Wii remote currently connected to the Wii console.
What this about formatting the Wii Channel and not "having rights to download software".
I assume they mean downloaded software.