Microsoft is now selling a cheaper version of the Surface Book 2 15. The new model swaps the Core i7 CPU for a Core i5 and drops the dedicated GTX 1060 GPU. However, at $2000, the Core i5 Surface Book 2 15 is hardly a bargain considering the Core i7/GTX 1060 model is a mere $200 more.
https://www.notebookcheck.net/Microsoft-now-offers-a-cheaper-15-inch-Surface-Book-2-but-buying-one-doesn-t-make-sense.424840.0.html