I am using this item sorting method: http://www.youtube.com/watch?v=eRIen2Smgig
It works fine for the most part until you put in items that output a strong signal to a comparator (ie. Doors, tools, maps) if you try putting them in the sorter it pushes out the items in the hopper that detects what item it is. So it pushes it out and takes its spot which completely kills the need to sort items. I can get screenshots if you want. Still, it works pretty well until you put in the other items. Then I start getting doors in my pork chest.... Thanks for looking at this!

Download link to problematic sorter: https://dl.dropbox.com/u/37771664/Castle.schematic

EDIT: May be related to MC-12010