I'm not sure if this one has come up here yet, but I saw it in the INTP forum and thought it was pretty cool. I think i scored 29 which was disappointing! few silly mistakes or it would've been about 33
http://www.questionwritertracker.com/index.php/quiz/display?id=61&token=Z4MK3TKB
http://www.questionwritertracker.com/index.php/quiz/display?id=61&token=Z4MK3TKB