The excellent SPZ site is a good place too look for railfan information. Much of it is in Czech but there are now news pages in English and German as well. Much of the other content, such as depot allocations and photos can be understood without a detailed knowledge of Czech.

http://spz.logout.cz/

News and photos from Slovakia and the Czech Republic plus other useful information including loco diagrams. Slovak language.

http://www.vlaky.net/

News and photos from the Czech Republic. Czech language.

http://www.zelpage.cz/

A useful news group for the exchange of information on Czech and Slovak railways, particularly the current scene.

http://finance.groups.yahoo.com/group/CzechSlovakGen/