I have been using a hard case for many, many years.I am currently using a Palm hard case. Not my favorite, but my PDA was a gift, and it was given to me with the case. I usually use a Rhino Skin hard case. They used to make a titanium hard case that I LOVED. But, they stopped making them! What kind of case do you use? Hard case? Leather case? Flip case? No case?