[garciansmith]

Is there a reason to not just hold the middle button to scroll with the trackpoint? Seems easier than needing to move your thumb to the touchpad.

[vladvasiliu]

Some HP laptops (EliteBook 8xx) have a track point but only have two physical buttons.

They're also quite large and flimsy, so I expect them to develop enough play that reliably pressing both at the same time becomes frustrating after a while.

[adisbladis]

The way I position my hands over the trackpoint my thumb is already hovering over the touchpad.

Having to hold down a button to scroll is terrible ergonomics.

[lallysingh]

Depends on where the button is!