Guess it does depend from girl to girl.
Some guys have come to think that if they're jerks, they'll get a girl, since 'nice guys finish last'.
However, for me, what I look for in a guy is pretty...simple, well, not really some say..but anyway..I usually look at their looks first, honestly, in the sense that if I see they're fat, then well, they don't even take time to take care of themselves, and I'm very picky when it comes to that. Looks aren't important to me at all though, it's just the first thing I usually see. I then look at how he acts, how nice he is, or not, and if he is able to hold conversations. Then come the similar interests and hobbies. Oh, and whether he has a good sense of humor is also something I look at...
You know, it's hard to answer the question, there's not just some things one looks at, it's how they're combined, and how the guy is overall, and sometimes different combination's work just the same.
For me it takes a while to decide whether I'd say yes or wouldn't. I have to know that I feel comfortable with the person and not feel embarrassed around them.