I would usually tell you to go to Boxwave.com but the only case they have for your PDA is the FlexiSkin one and I really didn't like that case. Stay away from rubberized or silicone cases because they make it tough to take your PDA out of wherever you keep it.
This website seems to offer some good choices
http://www.thepocketsolution.com/tun...cessories.html
and as always, amazon.com has several also.