Hope you also posted on all the boards that apply to your surname.
www.rat.de/kuijsten/navigator
Did you check out Ancestry and Genforum boards?
The Slovak Republic's phone site is listing a RUSENKO. www.zoznamst.sk
24 RUSENKOs in www.infospace.com
35 RUSENKOs in SSDI http://ssdi.rootsweb.com
16 RUSENKOs came thru Ellis Island to America. www.ellisislandrecords.org
In 1990 census of names there was 1 RUSENKO in Poland. www.herby.com.pl/herby
Hi John, my name is Abigail Rusenko and my family is currently still living in Pennsylvania spread out through Mechanicsburg and Harrisburg and a few up toward Wilkes Barre- currently we are living in Maryland and would like to hear more about you.
16 RUSENKOs came thru Ellis Island. www.ellisislandrecords.org Possible your ancestor among them. You need to locate a precise place of birth in order to go forward with the research.
Few websites for research:
http://maxpages.com/poland
www.halgal.com
www.kresy.co.uk/galicja.html
What was language of your ancestor?
www.kuijsten.de/navigator
www.infoukes.com/genealogy
www.torugg.org