Sumokoin is XMR with more mixins (12), XMR is the only coin to be proven fully anonymous right now.
Don't talk about pumped coin like Zoin, or coins like NAV or XVG...

For people willing to put a lot of money and play safe -> go XMR
For people willing to take risk and who are wanting high rentability -> go Sumokoin http://sumokoin.org/ ; 700k USD marketcap, very good coin to mine btw with a great diff algo