No Lolth, but they worship three chief dieties: Hecate, the chaotic good goddess of secrets and magic, Lovitar, the neutral goddess of vengeance, and Tlazolet, the Neutral evil goddess of lust. The drow believe that Baphomet is female, and place the three goddesses in a covey. The influence of Hecate gives the drow more good tendancies than is usual, but collectively they have a very decadent and cruel culture. (just one where the slaves might get a chance to become free by learning magic and spying on their masters)
Drow society is indeed matriarchal, due in part to extremely low fertility rates in Drow women. Women in Drow society may take any man as their lover, and males are expected to provide sexually for any woman who asks. Quite often, an established Drow woman will have a stable of studs which she lays with nightly, often indulging in torture and perversion to sate her appetites. After passing childbearing age, a Drow woman is expected to retire from sexual activity and become a priest, becoming one of the leaders of her community. Homosexual liasons between Drow women are considered taboo, except in the context of rape, which is an accepted way of showing dominance. Drow men who cannot perform sexually or otherwise displease their mistresses, are subject to a number of horrific tortures, and will usually be castrated and enslaved if they cannot or will not serve.
The Drow economy is based on exploitation of the other cultures of the underdark. When they can, Drow enslave dwarves in large numbers, and also rely on Orcs and Trolls for sources of the slavery that drives their economy. Drow are some of the best beings in the world at the arts of bondage and torture, exceeded only perhaps by particularly experienced demons. (though the drow summon demons to help make up the difference) Drow launch frequent raids against the surface, particularly to get hold of exotic surface spices, meats, and fruits, and to abduct sylvan creatures, who are some of the most valuable chattel a drow can acquire.
The pale drow aren't really representative of the species, just the funky magical exemplars. Such creatures usually occupy the higher levels in Drow society, and are almost unheard of anywhere near the surface. Many drow communities have bylaws prohibiting a dark drow from taking a position of leadership in the community, and thus the majority of the population are taken up to the surface during very early childhood. The fact that Drow quite often find pale skin more beautiful when tortured is another good reason to give up some magic in exchange for political safety and ability to travel the surface. Later in life, the glass ceiling that dark elves face causes them to seek opportunities on the surface, though by custom and long tradition, without the benefits of adamantine and drow poison. (sorry for all the changes, but I really really hate the drizzt drow loner PC type, and want to have a good explanation for drow adventurers that gives them something more to play with than angst.)