Help us pick PSO's next opera from the list below

Help us Pick PSO next opera

Opera friends: Between the two duets linked here which do you like better? The composition more than the performance. This Duet from Donizetti's Maria Stuarda: http://www.youtube.com/watch?v=LAWCGWlGmbQ or this duet from Rossini's Mose in ...Egitto (endi