This one? http://www.tomtom.com/support/rightn...p_faqid%3D2059
It's for the GO, but works, eh? I'll give it a go, but I only have a wired unit (TomTom) that works with the Seidio holder. My Belkin is still out of commission since they still haven't sent me a replacement battery.
UPDATE
(THAT'S NOT IT, BTW.) amazing what a little Google search will get ya:
http://www.tomtom.com/updates/tts104.dmg
From a discussion; can't view it:
http://www.tomtom.com/support/rightn...p?p_faqid=3243