I actually prefer the nubs to trackpads. I got so good at using them, I could play FPS games on them.
100% true. Beat the original Half-Life on my old Thinkpad. Opposing Force and Blue Shift too.
If you're switching between typing and mousing frequently, You're Doing It Wrong(TM).Easier to pronounce than "I'm-too-lazy-to-reach-all-the-way-down-to-the-trackpad-pointing-device," at least.
--Patrick