Try the following: RexRegina makes premium leather cases for the Apple iPod and Palm Treo.
or Leather PDA cases , Pocket Pc cases , pda cases , Smartphone cases . Leather cases Manufacturer.
I can speak for RexRegina as far as quality and service goes, in both cases they scored 'Excellent' with me. I have not dealt with the second site so you might want to do some research. Hope that helps.