I just took this test:

[url=http://www.gotoquiz.com/pottermore_sorting_hat_quiz_2]

Got placed in Ravenclaw. I guess I could see that, though this test here:

[url=http://www.thealmightyguru.com/Reviews/HarryPotter/Docs/Quiz-House.html]

It has always placed me in Gryffindor every time I've taken it, which is surprising.