Got 604 wifi last weekend. So far really love it.
To make DVD's files for the 604 i found DVDDycrytper and PocketDvixencoder work perfectly. Both are free. Pocketdivxencoder already has preset for Archos so its really easy to use
Here are links
I havent found a need for the DVR dock or plugin. I record little TV when I do I use Windows Media Center and...