Another Platform: Finally, the iPod
The iPod supports video! Another platform for creative media makers.
The PSP is probably a better place to watch videos, and with built-in WiFi, we'll have more fun distributing there. But the iPod, and the Podcasting methods are important. People can subscribe to video-makers and stream their work onto their devices relatively seamlessly. The impact of Video iPod will probably be largest for commercial content makers, since Apple is now coaching them on internet distribution.
Here's a sample tutorial on video compression for the iPod: Getting Videos into your 5G iPod for Free. I updated my copy of Final Cut Pro, and it now contains a setting for outputting direct to 5G iPod.