There was an article recently here in DIYP about 5 reasons why you should own at least one prime lens, I strongly agree to this. I normally tell the new photographers that the next lens they should buy is a prime lens. Here is the thing though, after buying a prime lens make sure not to sell your kit lens too fast. Here are my 6 reasons why you should keep your kit lens. I am a Nikon shooter, so expect Nikon examples, but everything here is true for Canon too).