Thirding the "give it a go" thingy. Also, Dongy, it doesn't matter how old you are, you're never "too old" to like...well, anything, anime included. I'm 26 and still love Dragon Ball Z. My brother's 30 and is the same way.
As for me, almost done watching Jericho for...fifth, maybe sixth time since I was introduced to it. I have to say, I'm really sad that they got canceled so early. Its one of the only post-apocalyptic shows I find at all believable and interesting. The Walking Dead is interesting and a little believable, but Jericho just makes more sense with regards to people and communities. That and Jericho doesn't have undead to contend with, sooooo...yeah.