Dave@CustomAngelEyes is a retail vendor and is one of the sponsors of X5World. There are other product choices for angel eyes from other retailers including JLevis (also a sponsor), Umnitza, etc. There are independent installers nationwide, including several in the Tri-State area.

Here's a list from E46fanatic.com:

http://forum.e46fanatics.com/showthread.php?t=229339