This is not my ht but the guy updated and lists the hardware. As far as I know, the curve is only horizontal but I will ask him. It's a 3.5meter screen , microfored indeed. I love this ht!
However, I would have gone differently on the amps and speakers, my preference going to QSC DCA amps and JBL cinema speakers.
for cinema sound in your HT, use cinema speakers and cinema amps! unbeatable.