@hitchhiker: which set of results are you mostly ranking in? I'm finding mine mostly in "basic", only sometimes in "intermediate" and never in "advanced" .
Also, it looks like my initial assumption that most people have defaults on "internediate" was wrong. The default seems "all types" - or is it? Is there a definitive answer on that somewhere?
I can't figure out what weights the "basic", "intermediate" and "advanced" are given when you mix them up on one page, if that even applies. Is ranking #5 in "intermediate" getting you above #5 in "basic"?