Michelle Obama (the former first lady of the United States) has a series of online read alouds that began this week. It is sponsored by PBS and Randomhouse. The first of the four part series is The Gruffalo by Julia Donaldson and Axel Scheffler.
Another great site is Storyline Online where a number of celebrities read books online. This site is put on by the nonprofit SAG-AFTRA Foundation to promote literacy.
They are both worth checking out if you are growing tired of your own home book collection or you would like to listen to a read aloud.