Some good designs coming in. I've rated several to show some interest in direction. That said - be bold.
Definitely like the subtle nod to globe and world on some of them.
And reminder - NO GEARS. :)

Here is a little more inspiration. Check out these designs.
[Non image link removed]
We are biggest fans of (stack-ranked order):
Tiny Post
Ghost
Chefs Feed
Dropbox
Hall
Github
Jelly
42 Floors
Simple
scvngr

feedback please