If you are registered, you get access to the members only section, can participate in the buy & sell second hand forum and last but not least you can reserve your preferred username before someone else takes it.
Look in the PhotoShop plugins directory and see if you have a file called "Camera Raw.8bi". If you don't, you will have to download it from the adobe website...the following will help you get there quickly:
Enter "Camera Raw 3.4" in the search window at the upper right on Adobe's home page (
More on Camera Raw. Even if you do have a file called "Camera Raw.8bi" in the plugins directory, you might have to download the latest version to get support for the D200...that was my problem, too (CS2 handled my old D100 RAW files but not the new D200 Raw files).