Here's a rather unusual endorsement from the American Conservative...

http://www.amconmag.com/2004_11_08/cover1.html

links to similar articles can be found here...

http://inprogress.typepad.com/republicanswitchers/


Unfortunately, for Kerry, more anti-Bush rather than pro-Kerry, which does indeed seem to be a trend. Still, that's kinda the way it goes running against an incumbent.