For email I like mu4e. I set it up to use Imap it is a bit slow to load up. I had the same fears about losing email, I just created an additional gmail account and forwarded, played around with it till I wasn't concerned anymore.
You don't have to do everything, I just started adding pieces of his .emacs file one at a time until I was happy with way it worked. Very nice if you want to do GTD type open task reviews on a recurring basis.
For orgmode I like this website
http://doc.norang.ca/org-mode.html
You don't have to do everything, I just started adding pieces of his .emacs file one at a time until I was happy with way it worked. Very nice if you want to do GTD type open task reviews on a recurring basis.