Also, we are not going to offer escrow as our news blog has been active for over a year and we wouldn't risk our reputation over $100 a week.
Well, if it was your choice just want to tell that even for the trusted service still using escrow for signature campaign.
Using escrow will give you more positive points, and also make people more interesting join your signature campaign.
Also there is some people offering 0% fee for escrow service. List here
https://bitcointalk.org/index.php?topic=855778.0