That looks like what I have been looking for... The PDA bluetooth folding keyboards are nice too, but I don't really need it to fold, plus, they are waaay too expensive.
Just how far can you go with this guy? Will it work in the drivers seat if the reciever is in the glovebox? Also, is there an on off switch on the keyboard?
Looks good though! Thanks for sharing.
EDIT: I have used the BTC brand ones and got pretty good range with them on my HTPC. The key layout was what made me go with a different one... I didn't even think to look at those again.