Anyone who has ever tried to represent pixel dimensions in Visio knows that its about as easy as conjuring up a dragon. Pixel ruler to the rescue, this invaluable stencil set allows you to determine and document the pixel dimensions of any object (just line up the horizontal or vertical ruler) or to create a box with dimension already included (auto generated as you resize). Add this to your arsenal NOW!!!.
Pixel Ruler (via Atomiq)
