SE Tube Amps

How do I find out more information about Single ended Tube amps. I live in the midwest and have no access to them at all. I don't really want techno bable, I looking for something that talks about the different sounds of the different types of vs 845 etc.
A good place to start....

start here
go to
They have some great reading about the history of tubes.....
this is a good article; not exactly on topic but recommended
click on audio note philosophy and review both articles