Should I buy these bindings?

Personally, I hate step in bindings. If your looking for good beginner bindings, these would be good because they are cheap, step ins are easy, and Burton is a reliable brand. Step ins don't offer the support of regular strap in bindings, but they work well for snowboarders who are just starting. If you are looking for cheap beginner bindings, go for it. If you are looking for better and more advanced bindings, you should go with something like the Burton Missions.