Well, I don't know how the news of 'free' Ovi Maps will affect Sygic's product, but I've just noticed this posting from the SygicOfficial account on twitter:

Dear Maemo fans, we have sumbitted the app to Nokia Ovi store last Thursday already, waiting for approval.More info/prices/etc. is coming...
2:32 AM Jan 19th from web

See: http://twitter.com/SygicOfficial

There's no sign of the Sygic app in the Ovi store yet.

Simon.