This is the model I put into my S2000. Its an awesome HU. Has built in bluetooth calling. Front USB and rear USB(I routed this cord to use my USB thumb drive) and aux inport. Great HU.
http://www.sonicelectronix.com/item...oogle&utm_medium=organic&utm_campaign=froogle
buy a $25 16GB USB thumb drive and plug it in and go. Reads files and folders like an ipod.