This is what will make a big difference between the Arma mod and the Standalone. I hated how there was one general animation for every gun which just looked awful. (especially pistols!)
Here are some examples:
http://www.youtube.com/watch?v=9uUQI5Qg4Uo
http://www.youtube.com/watch?feature=player_detailpage&v=yFy2YgQpXaY#t=109