Please take a look at the following pages
http://www.sea-eagle.org/node/28
this pages displayed the various Russian Development of WIG technology
in the last 50 years
more than 10 videos available in various languages
Currently those development are meant for millitary usage.
While we are looking for civilian and commercial usage. Yes. WIG
technology will improve with the coming days, and we shall see a
rising of a new class of vehicle.