Also with Michael on this. I went with a Spectracal bundle, i1Display Pro w/ CalMAN 5 software for my Panasonic GT30. I've been reding up here on AVS and on Michael's website which is excellent. I'm considering paying for the videos to push myself further. My GT30 picture looks beautiful!
Dolby Atmos/DTS:X 5.2.4
Samsung 65JS8500 (calibrated by Gregg Loewen); Marantz SR6010 + Onkyo M-5010; Oppo UDP-203; Apple TV (4th Gen); PS4; Definitive Technology BP-8060ST, CS-8060HD, SR-8040BP, Pro-Monitor 800; SVS PC-12NSD (2)