I'm not sure if this is the most functional scale, but it sure is pretty. The weights are made from solid metal and come in nine pieces from 5g - 500g.
At Wheredidyoubuythat.com
This kitchen scale combines a dishwasher safe mixing bowl with style and design. We love the clear glass bowl that inverts for neat, dust-free storage. Max Weight: 5-lbs/2.2-kg and sensitivity: 1-oz./25-gr. There's even a rotating dial for quick reset to zero.
At Kitchen Universe
This is only a concept, but it is pretty cool. It is a cutting board that also acts as a scale, so you can cut and measure on the same surface.
At Yanko Design
This scale from eva Sola can measure dry or wet ingredients--it measures up to 2 pounds of dry ingredients. You can also re-zero the scale while you have contents in it.
At Modern Motive
If you are watching your weight, this scale does it all. It analyzes the nutritional content of your food by portion size and calculates calories, protein, carbohydrates, sugar, fat, fiber, sodium, etc. It also stores nutritional values for more than 1430 different foods and memorizes 100 foods/recipes of your choice, and lets you record your daily food intake to keep track of your diet.
At Dietary Computer Scale