The posts I made above are 2 different adapters, both AUX inputs.
Also, there is another adapter that should be released in the next week or so that will be a similar to the Soundgate adapter. It will allow a Pioneer XM radio module to be connected to our sound systems.
Here's a link to the XM411 site where the site admin and I discussed it:
http://www.xm411.com/phpbb/viewtopic.php?t=1867