You are right O2 have problems with internet domains for some time. BTW ther was mistake in the O2 Telefonica statement. By end of the year 2005 there was 11,45 million of registered mobile subscribers in Czech Republic
Of this Eurotel had 4.68 million, Vodafone 2.14 million and T-Mobile 4.63 million. So mobile penetration is well over 100%.
see link sorry in czech at the moment
http://www.mobilmania.cz/text2/ar.asp?ARI=111823
Hot news? HSPDA on T-MObile Slovakia goes now up to 5 Mbits per second