In addition to all that's been said, which sounds right on to me, the Las Vegas series has a pretty signature color palette consisting of very saturated blues and greens mostly. Being in LV, there is plenty of other color around but when you watch it, the series feels very blue-green. A stark contrast, the Miami series is very yellow and yellow-green.
As for fixtures the OP asked for, I doubt it's anything out of the ordinary. It usually looks like kinos for keylights and various fresnels lighting the set, with quite a lot of cool-looking practicals.
Edited by Christopher D. Keth, 15 July 2006 - 07:51 PM.