I run the other day the Sygic 11 trial version on NITdroid N900, and it was looking good. Obviously, no GPS so no joy other than emulating a route from somewhere in Moscow's suburbs to a nice park in the town centre Let's hope a different story is for NITdroid for the N9 and they can make the GPS to work. At the moment that is the only option I see to get Sygic GPS navigation on N9.
I doubt any more upgrades will come for the Ovi Drive in the future and I can't get to see Navit replacing commercial turn by turn navigation software yet. So...