Hardware solutions for adding a third monitor to a laptop?
My primary development machine at work is a laptop.  I currently run with two monitors, which the machine natively supports (an external monitor connected via the laptop's VGA or DVI port, plus the laptop's own attached screen).

I'd like to add a third monitor to my setup.  What are some good hardware solutions for adding a third monitor, given that I can't add an additional internal PCI-E/PCI card to my machine?

(If anyone would care to offer hardware-specific solutions, my machine is a Lenovo Thinkpad T60 running Windows XP SP2.)
Hardware solutions for adding a third monitor to a laptop?
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My primary development machine at work is a laptop.  I currently run with two monitors, which the machine natively supports (an external monitor connected via the laptop's VGA or DVI port, plus the laptop's own attached screen).

I'd like to add a third monitor to my setup.  What are some good hardware solutions for adding a third monitor, given that I can't add an additional internal PCI-E/PCI card to my machine?

(If anyone would care to offer hardware-specific solutions, my machine is a Lenovo Thinkpad T60 running Windows XP SP2.)