Santa Cruz is the best weed grinder on the market.  The Santa Cruz Herb Grinder is made with an aerospace aluminum material which because of its high grade nature leaves less sticky problems compared to a lower grade aluminum.  It sports a very heavy duty magnet that will be sure to keep your storage safe on the move.  

2 Piece grinders aren't everyone's bag, but I actually prefer to use a sifter box and a tray.  Check out the Ryot Sifter Boxes and the Raw Rolling tray.  These products make a perfect smokers corner that you can easily put in the top cabinet for safe keeping.  The tray's are great for keeping your coffee table free and clear of all the weed bits.