Note: This is my opinion. Lots of people are happy with Webforms, and if you are, good for you. I’m not. Direct all comments and opinions on my viewpoint to /dev/null.
Of course, this rant doesn’t apply if you’re using ASP.NET MVC or MonoRail.
Updated August 10, 2010 : A bit of time has passed since I first wrote this post, figured an update couldn’t hurt