I don't see any of them as evil, so that would be pretty difficult.
I hate the interfaces of all three, and it's live messengers shitty interface that made me want an alternative for when I use webcams anyway. Otherwise I'll just keep using pidgin, which has a nice interface, is responsive, and not bloated. It also supports more than MSN.
It's a shame because pidgin are working on webcam support but only for jabber. Who the hell uses jabber anyway? Not including google talk.