We want something really modern, clean, and hopefully a little unique. You can see from our new website we're going for that modern look. I'm thinking we keep them square.
We're using Exo: It's free to download: http://www.fontsquirrel.com/fonts/exo. So far we've used the Exo Light, and Exo Regular only. I think our actual logo is Exo Medium, but we will give you the actual logo files so don't worry.
Here are some we really like on dribbble for inspiration: