Your previous contest has helped me a lot during my time here.Steemreports.com is also a good site to see who votes for you. @libertyteeth and @surpassinggoogle seems to be my top 2 voters so Thank you for that. :)
Other sites that you mentioned such as steemnow is also good. I have yet to use steemvoters.
The steem dead followers seems to be interesting.
Nice thanks, will check it out!