Karma is very important and it is very necessary to have karma it shows the quality of your posts, it is a reward for a nice post from other fellows. Even though the karma does nothing but when you post and you are given a karma it gives you strength to post more you will be happy that you have done something that others like. Sometimes I see karma as same level with comments for instance if you create a thread and nobody comments on it imagine how useless you would feel your thread is. There was a time I was not having karma I was very bothered and then I noticed that my posting quality reduced the numbers of posts I make in a day there was no motivation to continue again but suddenly I got one when I was about giving up I felt a very great joy, it boosted me again. So karma is very important especially to newbies to help build their faith.