YES! Yes, you should! It's really good! Kuroko's really funny, and the main character, Misaka is well developed, and very... Selfish in her own way. She feel the need to protect everyone, without asking for their help in return. She is very powerful, and that power gets her into a lot of trouble...
But, if you watch 'Railgun', you gatta watch 'Index' too. 'A Certain Magical Index'. It's attached to 'Railgun' through a boy she meets along the way. I believe 'Index' was the start anime tho...
