/me looks at GA: https://www.google.com/analytics/web/?authuser=1#report/visitors-mobile-devices/a39233702w72455533p74750652/%3Fexplorer-table.plotKeys%3D%5B%5D%26explorer-segmentExplorer.segmentId%3Danalytics.operatingSystem/

.44% utilizing windows phones.  I think we will be okay :)