There's some good 90s shows you can get through BitTorrent, too. I got all of season 1 of Alex Mack and now I'm getting season 1 of Are You Afraid of the Dark.
Just some general good 80s-90s stuff I've seen around that's still active...
Rocko's Modern Life, Ren and Stimpy, Rescue Rangers, Tale Spin, Gummi Bears, My Little Pony, Aladdin, Ninja Turtles, Muppet Show, Weird Science,
Stuff at My Spleen...
Muppet Babies, Angry Beavers, Sports Cartoons, You Can't Do That on Television, Doug, Pete&Pete, Are You Afraid, Rocko, Hey Dude, Dinosaurs, Zelda, Pizza Cats, Fraggle Rock, Muppets Specials, Pink and the Brain, The Tick, Freakazoid, Cartoon All-Stars to the Rescue...