Here are a few pics of scales:
Swannie's scale (you can buy it on Amazon at the moment)
And here's the scale Mel uses (note the bread pan on top). This scale was $25 at Target:
Becky and her scale:
It's a Terraillon Kitchen Scale, available online for between $35 and $45. The scale measures in grams and pounds/ounces, and includes a Tare function to adjust for the weight of a bowl or plate.
There is a review of several scales here: