When I 1st installed it everything looked exactly the same; I was kinda pissed. But aside from loving the scrollable stacks, I next noticed how f*cking extremely quickly my Macbook Pro would turn on and off when closing the lid. Like, I thought it was fast but SL really made me exclaim "wow" over and over. Rather than me ranting, I'm curious what you like most about Snow Leopard. *For me, I'd have to say Expose (overall), including Stacks and the turning off and on times.