N.T. Wright is one of the best known contemporary theologians and he has written what is perhaps the definitive work on the resurrection of Jesus titled The Resurrection of the Son of God. He has more recently written a book titled Surprised by Hope in which he argues that heaven is not the final destination of those who have eternal life.
Wright recently appeared on the Stephen Colbert show to discuss his book which, of course, is hardly a setting conducive to a serious consideration of his ideas. Nevertheless, here's the interview:
RLC