I love sequels. It gives me a chance to continue the great story that the author creates and when I read a book; I almost always never want it to end :)
I love sequels! When the next book in the series comes out, I get a chance to fall in love with the series again!
My strategy with series: Read them when they're all out or at least wait to read the first once the sequel's closer to pub date. With cliffhangers like Delirium/Pandemonium and Catching Fire, you just kick yourself for not waiting. Brutal!
LOVE sequels. Waiting one year or more for the release of said sequel is what I don't love. :P