Break down, build up, it does it all, mostly. The limitation I have run into is that when you need to get at some of those tiny screws that are inside some long skinny holes the Cybertool's tool is too large to fit. In those situations a small Phillips is about the only thing you will get in there. Compaq uses small Torx screws on their laptops and they do the same (bury a screw down a deep, small diameter hole.
Did you know that the tool without a bit works great as a wrench to tighten down those stand-offs at the back of computers (you know, the ones that the serial, parallel, video, and some SCSI connectors use to anchor to the computer) as well as the stand-offs used to hold up motherboards?
Up until about a month ago, I used to carry a full-on PC tool kit in my car for those times when the Cybertool couldn't do what I needed to do. That tool kit sits in my garage these days. I got tired of having it in my car but never using it.