i just turn my ipod on shuffle
Either this, or the My Top Rated without rock playlist. It mostly is Indie stuff, like Local Natives, Tame Impala, The Submarines, Morning Benders, Yeasayer etc.
I love the My Top Rated playlist, cause on when you find a song you like and you want to add it to your playlist of favorite songs, just rate it 5 stars on your iphone/itunes and it automatically will add it, or rate less than 5 to take it off. It's better than constantly making playlists.