I lurve them. i dated a guy who hated the muppets, and I'm not unconvinced that that wasn't a huge signal for his overall jackassery. Honestly, I think someone who hates the muppets is at best a jerk, and at worst pure evil.
ETA: What was your favorite TV show as a kid?
I was partial to PBS shows, myself. I never got a chance to watch The Muppet Show, but I always loved the movies. I was a Sesame Street fan when I was little. When I got older, my favorites were Wishbone and Bill Nye, followed by Kratt's Creatures.