By reading through some of these threads, it seems many of you here don't think string theory is the best approach. Is this merely a personal preference amoung many of the knowledgeable posters here, or have there been some recent problems with string theory, or have there just not been as many recent developments in string theory? Has string theory become a dead end? And I would like to hear your personal oppinions, but I'm also interested in some unbiased information as well. I assume many of the huge players in string theory are still pursuing it? (Ed Witten, Michael Green.. that's about all I know without looking a few more names up ) ?