Microsoft makes it actually pretty easy for the customer: The prices for all versions of the Surface Pro 4 are quite high, the m3 version (here in review) is almost as expensive as the comparable Core i5 model with a 128 GB SSD.
brightness and contrast; restrained fan control; improved Type Cover; reworked Surface Pen (inlcuded; sophisticated build quality and appealing design; high system performance; surprisingly powerful integrated GPU; no throttling in practice; much improved rear camera
comparatively short battery runtimes, only 1x USB 3.0; no USB-C, no maintainability (clean the fan?, very warm surfaces under load, high price