Once you use the Butterfly you won't ever return back to Amoled screens and that too Pentile
Current Devices : HTC One, iPhone 5
Retired : HTC Diamond2, HTC HD2, HTC Sensation XE, HTC Sensation XL 16GB, Motorola Razr, Galaxy S2, Galaxy Note, Xperia S, Xperia V, HOX+, HTC Butterfly, Galaxy S4