The ipod dock that I have integrates a line out and the proprietary ipod plug next to each other... Would this not be sufficient?

http://www.ixbt.com/td/images/ipod-nano-2-dock-back.jpg
_________________________
"Fix it 'til it Breaks."

Jacob - EiC & Director of Technology
Mac Pro Quad 2.66 - 4GB RAM
160 GB SATA RAID 1 - 650 GB Storage
Quad 19" Widescreen LCDs
Accessorized to the Hilt