I own the Wiremold bender, and it works like a charm. It does 200, 500, and 700. I have not seen one for 2000, but I heard a rumor that they did exist at one time. I line the bender with duct tape to protect the paint on the Wiremold. You can't do "flat" offsets in the Wiremold. Only front to back.
How many do you need to make? Before I owned the benders, I did offsets over my knee with fine results. Just couldn't make two that were side by side look identical, and that was a problem. For the occasional offset in 500 or 700, your knee works fine. I've seen bends in Wiremold done with the 1/2" EMT bender, but the Wiremold tends to roll, and you get a bit of a twisted offset often times.
Speaking of Wiremold tools, the 500 and 700 cutter are a dream to use. If you've never used the Wiremold chopper tool, the first time you use one you'll wonder how you ever did without it. They make a chopper for most all series's of Wiremold. I've got the 500, 700, 2000, and 3000 chopper tools. Slick.