Google adsense is best. But the problem is that they wont accept all applications. Also they will ban you without inform you. Adbrite is best those who ban by adsense
For Learners of Php
Are you currently learning the php? "WAMPSERVER" is the best offline server. This offline contains mysql,php,etc.. i learned the php using wampserver. it's easy and best one
ADBRITE vs GOOGLE ADSENSE
if you ask which one is better ,no doubt "ADBRITE" is my answer. adbrite provides more money than the google adsense. Google adsense will reject out application without reason. Better use Adbrite.:)