Audiobox 96 vs itwo vs studio 2/6 vs 22vsl. What are the differences for a complete novice?

I'm looking to buy my first audio interface and have decided to choose presonus for the free daw thats included.

Audiobox 96, itwo, 22vsl and studio 2/6 are all around the same price at the moment, give or take £50.

Could anyone explane the differances? I'm drawn to the itwo as you can get it in a pakage with mic and headphones and although i don't own an ipad I may do one day. Also it's presently on sale cheaper than the 96.