The best replacement for live view is optical viewfinder.

The best alternatives to live view are rated as following:
★★★★★  optical viewfinder
★★★★  mirror lock up
★★★★  viewfinder
★★  sony smart watch
★  smart watch

Your alternative for live view is not listed? Suggest!
Speaking about live view, one probably shouldn't forget about d800.

Other search terms related to live view and their ratings are:
★★★★★ d800
★ dslr camera
You have in mind a companion for live view and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of live view in all years. Click on graph for more.
live view
optical viewfinder
mirror lock up