You may remember the transitional feather fossils that I posted on a while back. Well, NatGeo did an excellent and informative write up on the find. View it here.
Here are some other dino-bird finds:
T. Rex Cousin Had Feathers
A Giant Turkey-Like Dinosaur
The '7 Foot Turkey'
Velociraptor Had Feathers
Microraptor: The Four Winged Dinosaur
NOVA: The Four Winged Dinosaur
Bird Fossil Transitions