A major aspect of using Emacs is that it is more than a text editor - it is more of an application platform - some would call it an Operating System - that allows a host of applications to run within the same context and session - and vastly enrich the user experience. This is in fact a primary reason why many Emacs users spend their entire computer interaction via Emacs. ...
Off late the Mail.app email client on OSX has been acting up on me. It often stalls or displays the spinning beach ball of death till a forced quit is required. Also, it seems to have display rendering issues when a mail classified incorrectly as junk is moved back to the inbox. I tend to use the Mail.app as a local email client for three main purposes: Offline mode for reading my emails when there is no Internet connection available Easy desktop search for the mails via Spotlight, and Easy archival of important mail in my project workspaces (either in Devonthink or plain text export) The other features (TODO and Notes) are nice, but not really useful for me as I use other tools for these items. The mail itself is served out via gmail accounts and IMAP synchronization. ...
This is an absolute must, unless you like contorting your fingers and risk RSI. It is also an easy thing to do on OS X. You need to bring up the System preferences → Keyboard & Mouse and then click the “Modifier Keys” to remap the Capslock to Control. This is available on OS X 10.4 and later versions.