Yes, WIFS 2017 will be a great event! There is no doubt about it. Its CfP reaches almost 2,000 views on wikicfp!
However, we must foresee the future edition: WIFS 2018. Our plan is to announce the location of WIFS 2018 during WIFS 2017 to keep the mojo running.
Here is the official Call for Proposal for organizing WIFS 2018 issued by the IEEE IFS Technical Committee.