Unless someone suggests something better (I've already spent 8+ hours on research), I'm going to go with this $1,500 unit ($1,350ish after corp discount):

[Link: store.hp.com]

HP Spectre x360 Convertible Laptop - 15-bl152nr


Product specifications
Operating system - Windows 10 Home 64 [24]
Processor - Intel® Core™ i7-8550U (1.8 GHz base frequency, up to 4 GHz with Intel® Turbo Boost Technology, 8 MB cache, 4 cores) [18,19]
Graphics - NVIDIA® GeForce® MX150 (2 GB GDDR5 dedicated)
Display - 15.6" diagonal 4K IPS eDP micro-edge BrightView WLED-backlit (3840 x 2160) [15]
Memory - 16 GB DDR4-2133 SDRAM (2 x 8 GB)
Hard drive - 512 GB PCIe® NVMe™ M.2 SSD [16]
Wireless technology - Intel® 802.11b/g/n/ac (2x2) Wi-Fi® and Bluetooth® 4.2 Combo [13,14]
Power supply - 90 W AC power adapter
Battery - 6-cell, 79.2 Wh Li-ion
Battery life - Up to 12 hours and 45 minutes [3]
Video Playback Battery Life - Up to 11 hours and 30 minutes
External I/O Ports - 1 Thunderbolt™ 3 (Data Transfer up to 40 Gb/s, DP1.2, HP Sleep and Charge); 1 USB 3.1 Type-C™ Gen 1 (Data Transfer up to 5 Gb/s, DP1.2, HP Sleep and Charge); 1 USB 3.1 Gen 1 (HP Sleep and Charge); 1 HDMI; 1 headphone/microphone combo [10,11,12]
Expansion slots - 1 multi-format SD media card reader
Energy efficiency - ENERGY STAR® certified; EPEAT® Silver registered
Webcam - HP Wide Vision FHD IR Camera with integrated dual array digital microphone [9]
Audio - Bang & Olufsen, dual speakers
Special features - Supports active stylus compliant with Microsoft Ink
Color - Dark ash silver
Pointing device - HP Imagepad with multi-touch gesture support
Keyboard - Full-size island-style backlit keyboard
Dimensions (W X D X H) - 14 x 9.88 x 0.7 in
Weight - 4.42 lb
Warranty - 1 year limited hardware warranty (information at [Link: hp.com]); 90 day phone support (from date of purchase);
What's in the box - Sleeve; Stylus