Here's an excellent from our friends at Answers in Genesis:
For more information about Hillsong check out: The Brian Houston & Hillsong Cornucopia of False Doctrine, Abuse, Obfuscation & Money Generation
For those who think it's mean, judgmental and un-loving to criticize Hillsong (or any other popular teacher/church) here's something just for you: Shocking Stuff You're Not Supposed to Know.
If you're having a knee-jerk reaction to try and defend Hillsong, check out: Confirmation Bias: Why You Are Protecting Your False Beliefs.
Finally, here's an article that will help you be more discerning and a lot less gullible: Defusing Demonic Dirty Bombs.