You can look at http://www.ncer1.org
and run it through the http://validator.w3.org
. After thoroughly examining the validator output, I don't think it's a Genesis issue at all. I'm sorry if I caused alarm. I think it's another plugin causing the problem, as you already suspect. The other plugin is inserting html elements in the <head></head> section of the document which may cause the parser to infer the end of the "head" section and the beginning of the "body" section (where "link" and "meta" are not allowed; hence the reported error).
I've already asked the developer of the other plugin to move his html elements to the footer rather than create them in the head section. He promised an update in a couple of days.