I saw Nightwish about a year ago. Can't say I was massively impressed with the new singer, the lack of an operatic voice was somewhat disapointing. She was severely lacking in the corset department too Shame because I saw the old lineup ages ago and they were great.
Check out Hospital of Death. They play 80's style thrash but their lyrics have a wicked sense of humour. Also a band called Alestorm. They play pirate metal, which is rather more fun than it sounds.