Yes, yes, a thousand times yes. Risk and Monopoly have player elimination which is anti-social. Settlers also packs in way more fun per minute of time spent playing.
The rules are no more complicated, either. Just make sure you're getting them right so that balance isn't thrown off, which can make the game not fun. Play a few games online at http://games.asobrain.com/ where the program will teach you the correct rules.