Originally Posted by Croucher
Also the iPhone HATES WEP encryption. I would check on that too.

My home WiFi is WEP and my iPhone has always worked exceptionally well with it. When I go to my friends' homes, they all have WEP and (once they give me the passphrase) it always connects automatically--every time, with absolutely no problems.
So, I can confidently say that
iPhone LOVES WEP encryption.