Today Archos unvelied its latest multimedia wondertoy, the Archos Pocket Video Recorder AV400. The company claims that this is the first portable DVR of its kind, which also includes audio jukebox, photo and data storage. Models will offer from 20-gigabyte to 100-gigabyte hard disk capacity, removable battery for extended life (20-gigabyte version), one-time set-up, TV Cradle, an external speaker for music and video playback without headphones, and a built-in Compact Flash reader for transferring photos directly from digital cameras. 20GB and 80GB models will roll out first and be priced at $549.95 and $799.95, respectively. Full tech specs follow…