They are nice mixers. I don't think they're worth $700, but definitely nice mixers.
![Grin ;D](https://www.talk.uk-yankee.com/Smileys/classic/grin.gif)
I bought an "off" brand that works well enough, but now find that I hardly use it. I still just use a wooden spoon or a whisk. I'm happy to let it whip eggwhites or heavy cream, though!