A fan from the start, I have to say the roster of MK 2011 encompasses all the fighters I love (minus Freddy and Kratos who do not count). I really do love 'em all, but if I have to pick one character, it'd be Sindel. She's so unique being clearly older, yet strong-willed, majestic/regal, and intelligent with a great body ("older women" not seen often in video games let alone with hot bodies). She's a queen, a widow, a mother, and she sacrificed her own life to save Kitana, Edenia, and Earthrealm.
She is pure good, with no self-serving agenda. It pissed me off with this "alternate timeline" that she wipes out pretty much everyone and then gets killed by Nightwolf. Although the line, "Still alive? No matter." made me chuckle because she's so confident and dismissive of Nightwolf's advances towards trying to stop her.