Last week, we had the author of TDD for a Shopping Website LiveProject. Friday at 11am Ranch time, Steven Solomon will be hosting a live TDD session just for us. See for the agenda and registration link
You shouldn't be copying the server files from one version to another. If you have something application specific in those files, then just copy that part to the file in the newer version of the server. It's still not guaranteed that it will work, in which case you'll have to figure out how to port it.