This might the answer for some...features below.
www.woot.com today (07/25/06)
(Excuse the post if it doesn't fit the "car audio forum...but it didn't seem to belong elsewhere. Also, no, I am in no way related to woot)
Toshiba Dolby Digital hub w/Toshiba Docking Station
Features:
Plug one USB cable into your laptop, instead of separate keyboard/mouse/speakers/ethernet/microphone/etc. cables.
Universal port station provides instant connectivity
24-Bit Advanced HD audio sound
5.1 Dolby Digital Surround Sound with optional 5.1 speakers
4-port USB 2.0 hub
RJ-45 Ethernet connection
SPDIF coaxial port
EAX effects for truly extreme gamers
Truly extreme? Seriously, who writes these feature lists?
CMSS 3D virtual surround sound
In the box: One Toshiba Audio/USB Hub, remote control, AC adapter, USB cable, setup CD, Quick Start Guide and documentation
Specifications:
Interface: USB version 2.0
Ports: One Ethernet (RJ-45), four USB 2.0, one SPDIF coaxial output, one 5.1 PC speakers output, one AC In, one headphone jack and one Line-In
Dimensions and weight: 8.4 x 5.19 x 1.59; 1.02 lbs
Minimum System Requirements:
Intel Pentium III or Celeron 800 MHz processor
Windows 2000 SP4, XP SP1 or above
128MB RAM
340MB of free hard disk space
CD-ROM drive
One available USB Version 1.1 or 2.0 port