Right now Lenovo's Thinkpad Workstation P50 offers 15.6" 4K Resolution, nVidia Quadro GPU w 4GB (8 GB on p70), intel XEON Skylake, Upto 64 GB ECC RAM, 1x Thunderbolt 3 (2 on P70), 2x SSD NVMe 1 Sata 2.5, FINGERPRINT READER, LTE modem On Board Available, 6Hr Battery life (8 on 17"p70), Color Calibration Tool, Full Ubuntu Compatible (except TB3).
Loaded Rises to 3200$ almost the same as a Full Loaded rMBP15.
Make me fell happy Apple give us something like this, or maybe this lenovo will be my first Hackintosh.
with double the thickness, and triple the weight + being plastic, not centered touchpad (horrible for the hands), keyboard with numpad (horrible for the hands)