Suresmile Vs Invisalign? (photo)

I am wearing traditional braces and am on a 24 mo treatment plan. I have the option to switch to invisalign or suresmile in a few months (when my gaps have closed). I need help deciding which method is better for me. Any suggestions? What is the difference between suresmile and invisalign? Which is more effective? What questions should I ask my ortho to make sure I make the right decision? Thank you in advance!