I only ever use the trackpoint when I'm out with it and the rest of the time it is docked and I have a cheap wireless Logitech mouse.
my laptop (x201s) has a trackpad but it's so tiny that I don't use it.. in fact, I have it disabled entirely.
Clit mouse and USB mouse is good enough for all possible use-cases for me, personally. There is no increased value in a tiny trackpad.
However, my mac+trackpad is an absolute delight and I wouldn't be able to work without it. (on my mac).
So, if you're going to include a trackpad, make sure it's a exceedingly good one, and additionally, make sure it's used effectively by the operating system.
I love my new x250 but the first thing I had to do was turning the damn touch-pad off. It is so huge that you constantly run your fingers over it while using the track-point and now I have all this dead space that I would rather dedicate to things like, for example, the extra keyboard row that everyone seems to be asking for.