I heard you say you discovered MJLorton on Youtube, Ken.  I've seen most of his videos. Here are two more presenters I follow.  I've seen them all.  There goes your next 2 months... :P

eevblog 
thesignalpath

EDIT: Well, Akismet won't let me post the URL's. So, for anyone interested you'll just have to run the above two names through your favourite search engine. 