The Nvidia Optimus tech can switch between the integrated and independent graphic cards automatically. Does Fedora support this tech? I'm now thinking about buying a Thinkpad T410s.
This should give you a fair idea and possibly help in choosing a laptop with hybrid graphics http://linux-hybrid-graphics.blogspot.com/
Most are stuck with the IGP and some have been able to disable to discreet graphics to save power but I don't think anyone has been able to use discreet graphics alone.
Linear Mode
