What about making a wired one yourself, it's easy and you get to make the cable the length you need, or you can make a series of cables that will unplug to the length that suits.
he's a link
http://www.peeters.com/300d.html
just follow the pictures,
I made one today, but I can't try it out my new 350D doesn't get here till Monday
then it's off to Hutech to get the mod done
cheers
David.