Most modules that have been released are not color-enabled.  A notable exception is the SoundsGood MP3 player, which looks quite good in color.   Some modules like the Eyemodule and MiniJam must be updated to work properly with the newer 3.5 OS.

If you're having a problem with your module (or want it to support color), contact the manufacturer.

Prism Accessories

Because the Prism is thicker, many of the Visor cases that have been released will not work with it.  The Vaja case, Handspring Beltclip Holster, ShockSuit Sportcase, Rhodiana Visor case, and the E&B Slipper don't work.  The Otter Box cases work, and of course the sleeve that comes with the Prism works.

I mentioned the Travel Charger already, and there are also serial and USB cradles available from Handspring.  The Prism uses the same connector pins as the Visor, so serial and USB cables that are available will still work with the Prism.