I'm trying to decide whether to get Lion or Lion Server. I'm not too worried about the $20 premium or the extra disk space used, but I'd rather not make things more complex to work with and manage, nor do I want my laptop to run slower as a result of having the Server version.
I'm not sure if I will use any of the Server specific apps in the long run, but I'm certainly curious to try them out. I just want to make sure that I can disable those services/features I don't use and that in other respects Lion Server really is just Lion + extra features.