Vapor4Life is an easy place to start.They only sell 808s so everything is compatible.They have a subforum here with a lot of helpful people who can answer your questions.Its an easy way to try ecigs.
Everything she said!
It is the absolute easiest thing for people starting, and they have the best selection of colors and light-up jewels.
Once you get started, and learn to type "KR808d-1" without looking at your cheat sheet, and if you are used to navigating websites, etc, you can branch out and go to litecigusa to get some things a little cheaper and feel yourself quite the savvy internet shopper, but when you are brand new and confused, you can't go wrong with v4L!