This is one of those anime where watching it should not be a choice, but rather a requirement. If you haven't seen Fairy Tail, you need to stop what you are doing, put all other anime on hold, and go watch at least the first 26 episodes or so.
You've got humor, action, magic, swords, and TALKING CATS!!! What more do you need?
Do yourselves a favor though, and watch it subbed with the ...