Here are some cupcake blogs I really enjoy:
Crumbs and Doilies
Cupcakes Take the Cake
Building a Bakery
Coco Cake Cupcake
Cupcake Bakeshop (hasn’t updated in a while, but still a good recipe bank)
52 Cupcakes (hasn’t updated in a while, but still a good recipe bank)

And here are some nice baking and cooking blogs:
Joy the Baker
Cannelle et Vanille
Bakerella
Sweetopia
Cakespy
Smitten Kitchen
The Kitchy Kitchen
Shutterbean
Yummy Thingy

Enjoy!