Of the media I buy (books, music, movies, TV shows) probably 75% of it is bought online.
The exception is single-issue comics, which I still get mostly at my local comics shop, and most of my RPG stuff (which I get at the same shop). Trade paperbacks are about 50/50 brick-and-mortar vs. online.
For just about everything else, I'm still brick-and-mortar.
The only things I buy in digital form are MP3's and a couple of comics.