The Moon and Pluto compared to the Earth. This picture was composed from File:Enceladus Earth Moon Comparison.png, File:Full Moon Luc Viatour.jpg, and File:Pluto impression.png, by Tom Reding (Wikimedia)

The Basics:
All About Pluto
How Big is Pluto?
The Man Who Discovered Pluto: Clyde Tombaugh

First movie:
Watch Pluto do its waltz with Charon – footage from New Horizons

Pluto vs. Astronomers
Why Pluto is No Longer a Planet, in Universe Today
Pluto a Planet Again? It May Happen this Year, in Discovery Magazine
Remind Me Again, Why isn’t Pluto a Planet? in Discovery Magazine

Pluto vs. the Moon:
How Big is Pluto?
So Why is Earth’s Moon so Big?
Why Is Charon so Big?
Why Isn’t the Moon a Dwarf Planet?
Pluto’s Other Moons are Really Weird

Pluto vs. the Solar System
Five Moons and Counting, But Still Not a Planet
The Sun From Pluto
Footage from New Horizons May Redefine Planet and Moon
Some People Aren’t Buying It – Space.com