If you decide to go the Access route, I put together a How-To on using Access and ink. You could easily modify the included source for you customer contact info and get some idea of saving the ink into a memo field. You can find the demo on www.tabletpcdeveloper.com under the Samples Section named Hello-InkWorld. A couple descreptancies exist in the doc between the source and instructions, but they are just cosmetic.
I'll try to clean up the files and upload to the software library in the next couple days.