While not a solution to the scroll speed issue, there is a rather trivial workaround. Select part of the region you want selected, scroll down to the point the region to select ends and Shift-Click. Voila, whole region selected.
While not a solution to the scroll speed issue, there is a rather trivial workaround. Select part of the region you want selected, scroll down to the point the region to select ends and Shift-Click. Voila, whole region selected.