There is a new update on E-type values for December 2014 at Hagerty.com (Hagerty.ca in Canada). I suggest you sit down before you take a look... they are going though the roof!
So glad I got my '68 2+2 back in July. I might need to have my insurance evaluation undated every 6 months for a while to be current with the huge increased values.
Alfred

 

In a word: "unbelievuhgable:
Price Guide Report

 

As a soon to be E owner, but classic car enthusiast I am skeptical. Great news if your going to sell, however for anything else it is bad news.

Surprising when I threw in the 70' it comes back much lower. Would of thought this entire generation would be similar? More for the newbie to learn.