Even if you don't have the lines / blotches, the Mura still exists, you just can't distinguish them as they are in the form of stains this time (takes up most of the display; explains why blacks are blacker in a dark setting compared to the S2 and Note 1); these panels are not embedded with the technology from Ignis Innovation.
Sorry, no stains on my screen no sign of mura what so ever. Though I find the blacks on the N2 a little disappointing as it is 'brighter' than my Note 1 and S2, my S1 still holds really deep blacks.. barely able to tell if the screen is on in a totally dark room as compared to the N2 which.