Textbooks on Tablets

I'm going to be a freshman in college at our local community college this coming Fall and, while super excited, I'm not so much so when it comes to believing I'll have to lug around a bunch of textbooks JUST like high school. So I'm thinking about getting a tablet and getting downloadable textbooks instead (a Nexus 7 in particular), just wondering though: is the experience on a tablet in comparison to a physical book better, the same, worse? Do you feel it made you more productive? Or should I just get the physical books?