The doors and their guts are the same. The SWB has only 2 switches in the group versus 4 for the LWB. You could wire up the extra positions for various intermittent things like singularity cannon, oil squirters, laser weapons, and missile firing circuits. Oh, and you have to say 'missile' like Sean Connery did in Hunt for Red October, cause it's just so cool. <img src="/forums/images/graemlins/rolleyes.gif" alt="" />