I like them and glad to see you are sticking with premium build products a little out dated and port constrained expansion wise else best similar quality and style to MBP you originally considered
Great aspect ratio for excel and TP comments are minimal considering a mouse will be essential other wise reviews explain why it may be deemed not the best value but has enough touch capability
If your son thinks he won't like a full 2 in 1 like the Surface Pro and a fixed clamshell is a must then it has a nice feel
here's 2 reviews with some good comments for you