Sponsr Logo - Revision 3

This is the 3rd round of revisions for the new Sponsr logo. We've attempted to merge the symbol with the wordmark. Furthermore, the symbol includes the uppercase 'S' from the wordmark.

Seeking opinions on a few points:
* Should the size of the symbol relative to the wordmark letters be increased, descreased, or left alone?
* Should the symbol be used by itself? If so, should the 'S' be hollow?