[britzsquad]

OP said that was the main reason, but that's complete nonsense. Most people go there primarily for the music. The artists there are world-famous DJs who tour around the world in their particular niche of electronic music. The visitors are mostly enthusiasts who like this particular type of music and are well aware of the differences between the various artists. If you know what you're doing and why you're there, the chances of being rejected are actually relatively low.

[siva7]

Berghain doesn't cater to world-famous djs for various reasons. The visitors are usually enthusiasts (like many are in the berlin club scene) but from my experience the Berghain community and culture is much less about a lineup than in other techno communities.