ETFConnect is a good site, so is FINVIZ (use the industry filter to search just ETFs). I also have a list of ETF resources on the left hand side of my blog, scottsinvestments.blog...
I would suggest reading the full article available on scribd - more detailed statistics are in the full article, including monthly returns, average roundtrips/year, etc.
Top 20 Performing Dividend ETFs [View article]
A Trend System for Stocks and ETFs [View article]