Just finished my Russian campaign on N/N and I tought it did a wonderfull job, no unreasonable DoW's, economics and money were fine as soon as I got trade spots. The only thing was that when asking for a trade agreements, a lot of factions wanted a military alliance with me, which I didn't want.

In my game Maratha conquered all ottoman regions, but lost the balkan to Austria. Poland destroyed Prussia the little German states, France, Spain and all of Italy