I pick Cartoon Network and Nickelodeon because:
On Cartoon Network there's Billy & Mandy, Shaolin Showdown, Cow & Chicken, Dexter's Laboratory, Aqua Teen Hunger Force, Family Guy, etc. And even some kickass animes like Bleach, Inuyasha, Ben 10, and Code Lyoko!
On Nickelodeon there's Spongebob, Avatar, Ren & Stimpy, Angry Beavers, Drake & Josh, etc.
Then on Disney Channel they used to have good shows but now it's just crap like Hanna Montana, High School Musical, and Zack & Cody. Now I only watch Disney Channel for Kim Possible, American Dragon, and Emperor's New School.