Has anybody heard which online question bank is the best? I know people are saying NMS, but I don't like to do questions from books. So, is it USMLE world, USMLEasy, or Kaplan?

usmleworld

I used Qbank and did very well, but the questions were easier than CK. USMLE world is a little more difficult , but it is also loaded with a lot of tedious crap that is essentially worthless. If I had to do it over again, I would stick with Qbank. CK is somewhere in between the two of them so it is not an easy answer.

Here is my two cents.
http://forums.studentdoctor.net/showthread.php?p=2785594#post2785594