I've got the normal game with all it's expansions, which is fun, except that eventually, you just have so many cards, that some rarely come up. For example, the newest set, Dungeons, allows you to move from one Dungeon to another whenever a portal card comes up. There are 16 portal cards, in a deck of... a few hundred?
4-6 players is best for Munchkin, imho.
I also have the boardgame, which really needs all the players getting used to it, to make it playable at a decent speed.
I've played out the Werewolf game her earlier, though the nature of that game might not be the best for Elliquiy. I wouldn't mind hosting a Munchkin game, or playing in one, if someone else would host it.