I hope that the translation of the most important Czech words will help you to learn how to use the site pointed to...
EXCHANGE RATES USD : CZK
This one was promised at the site describing the conditions of professional help - I think it's necessary to start with this :
TELEPHONE BOOK - Czech Republik
"Prijmeni" = surname (first three letters are enough), "obec" = place, "Tel. obvod" = area,
"používám diakritiku" .... leave it BLANK, unless you have Czech fonts !
"ukaž na mapě" = display the map
SEARCHABLE MAPS of Czech Republik
http://mapy2.atlas.cz/mapviewer/mapviewer.aspx
"obec" = place, "sídla"= settlements. "kraj" = district (large), "ulice" = street. "hledat" = search
German names of many places in the territory of Sudeten ( not complete, but useful)
http://www.genealogienetz.de/reg/SUD/orte/ort-index.html
... and you can try to browse the whole site, it contains very useful info in many sections. In German.
Czech surnames and their frequency
http://www.mvcr.cz/statistiky/jmena/index.html
you can download the complete file there ("soubor" = file ), sorted ("setříděno") by frequency ("četnost") or alphabeticaly ("abeceda")