The Serbian National Register of Internet Domain Names (RNIDS) has reduced the cost of domain name registration by 10 percent on average for authorized registrars, which are in turn expected to pass on the savings to end-users.
More details here: http://www.tmcnet.com/usubmit/-serbia-cuts-internet-doma-registration-costs-10-percent-/2009/06/11/4221145.htm