There is now a hosted list of plugins that have so far been tested sucessfully:
Its
here but below is a run down. The most exciting plugin working so far could be
PluginSplitEdit, an on-player mp3 editor...
Player Features
PluginFavorites - maintain a playlist of your favourites
PluginIriverify - Convert .m3u to iRiver playable playlists
PluginSplitEdit - An MP3 file split editor
Applications
PluginCalculator - a calculator!
PluginChessClock - a chessclock for 1-10 players.
PluginSort - Alphabetical sorting of text files and playlists
PluginStopWatch - a stop watch, with up to 10 lap times
PluginViewer - powerful text viewer
Games
PluginChip8 - chip8 game emulator
PluginMetronome - metronome - tack-tack-tack-tack....
PluginMinesweeper - minesweeper game - watch your step!
PluginPong - pong - a tennis game
PluginRockblox - a tetris clone
PluginSearch - Substring search within playlists
PluginSlidingPuzzle - 15-puzzle style game
PluginSnake2 - Yet another Snake game
PluginSokoban - game
Screen Savers
PluginCube - cube - screen saver type
PluginLogo - logo - screen saver type
PluginMosaique - mosaique - screen saver type
PluginSnow - screen saver type
PluginBounce - bounce - screen saver type