The Oak Drive-In - My favorite movie blog on the net. I like to think I have a vast knowledge of strange and obscure movies. But I've discovered many great films through the Oak Drive-In that I had never even heard of. The site also has a great style to it. Dick, the madman behind it, shares my stance on avoiding the negative focusing only on things he likes. He also is not afraid of nudity and sleaze, nor does he try present those factors as a negative.
At the Mansion of Madness - My other favorite movie blog. The Mansion focuses on obscure Euro films. Another one that has enlightened me to some great stuff. On the recommendation of Giovanni I watched The Vampire Happening, a quirky little vampire sleaze comedy which is now one of my favorites. Like the Oak Drive-in, the Mansion is very well written and also stays away from the negative "everything sucks" school of blogging which is such a problem these days.
Beasts in Human Skin - A site focusing on exploitation film actresses. But what makes this site really interesting is it features bio pages with great info and photos of different "Grindhouse girls". In many cases the bios go well beyond what is available on Wikipedia and the such. It hasn't been updated in a long while, but the profiles alone are well worth multiple visits.