Nope, $0. As I said in my previous post (http://forums.digitalpoint.com/showthread.php?t=1633823), stick to proper keywords in the IDN language of that country.
I agree - the practicality of this is that someone will have to go through a lot of trouble to access your domain name, especially for the first time, and if they ever wanna link it to somewhere else. Also it will look garbage when written in plain text. 0$