Design trends totally copy looks predecessor and top changes will be stuffing. Instead Snapdragon chip 801 will be used Snapdragon processor 615, and instead Dual Camera - standard (perhaps 13 megapixels). It is expected that with such characteristics device will remain on the market after the release of HTC One M9 Hima.
M8i price will be appreciably less than the starting price Hima. Note that the M9 premiere on March 1 in the framework of the Barcelona Exhibition MWC-2015.