Cats are the best. I have a dog right now... we manage (well, I like him, just not as much as my cat), but I've always found cats to be more entertaining. I have a black barn cat (i think) that looks like Wyle E. Cat... he's old though. He's funny... try to pet him and his eyes go crazy and he bites... take him to the vet and cringe as she rubs her face against his and says, "oh, what a smart kitty" and he purrs... he hasn't attacked her once.
Here's what they look like: