Yes, I believe they were actually created when the main program used in general was P4.  And they render excellently in P5.  I don't have P6 yet, so I can't give you a heads up there, but there are more than 8 lights (actually, the amount of lights showing is specific to your video card, the better the card, the more lights you can show in an Open GL setup.  For instance, D|S uses Open GL for its' display as well, and I can use up to 10 before I get a dark or black screen).  You could always set up your scene first, and then select the lights when you're set up ;)

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