this one is inexpensive and comes in lots of different prints... not sure if you'd need to take the pda out to connect it to accessories/peripherals, but it seems synching while in the case may be possible...
http://www.smartercase.com/146_for_toshiba.htm
AND there's a version designed to hold the e805 with the extended battery:
http://www.smartercase.com/146_deep_for_toshiba.htm
And I quote:
Key Benefits of #146 Series
Your computer is surrounded by protective steel
Sharp Looking
Convenient snap opening
Hook & loop computer attachment allows for easy synching
Easy access Pen/Stylus holder
Versatile paper pad accepts many available refills