Very important note: This same question is also asked at the raspberry pi forums. I guarantee to copy answers from here to there with correct credentials.
I am currently developing a java project that is going to be a network of raspberry pi powered sensor stations. For this purpose I want to have my debian wheezy to bare minimum.
Although I am a regular linux user, I really don't know about all my options here. Is LXDE good or is there even lighter alternative (fluxbox?)? Which services could be closed? Is it possible to start an x enviroment with only one active window and no other programs ? In general if I want to run Java/Swing on bare metal Raspberry pi. Is there any path to be taken?