Summary: I had the same problem with the battery door for my DX6340. After looking around on the Internet it does appear that this is a design flaw. Kodak wants me to send my camera to Connecticut for repairs. But why would I want them to put on another door that will also eventually break? Instead I have Super glued the door back together and plan to reenforce it with a small piece of metal and some duct tape.
Summary: I've loved using this camera for about 1 1/2 years now. It's so easy to use and I haven't experience any major set backs. My two complaints: 1. the battery compartment "door" isn't strong enough to hold the batteries and started cracking almost immediately. It lasted for 1.5 years and has just completely broken in half. I'm going to try to take it back to Target to see what they say. 2.
Summary: I have had the dx 6340 camera and the dock 6000 for about 6months now. I have had a few problems already: 1. The plastic cap that covers the lens sometimes does not open completely sometimes. 2. Rechargeable battery does not last long (with the 6000 dock) when using liveview (live lcd preview of picture being taken). I think this could be a firmware bug as a low battery indicator comes up when I use liveview even on fully charged battery. 3.