diff --git a/CHANGELOG.md b/CHANGELOG.md
index b6f29f8..20bbd76 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,8 +1,11 @@
 # Changelog
 
 ### master
+
+### v2.0.0, 2014-10-03
 - bugfix: prevent exiting tmux if 'reattach-to-user-namespace' is not installed
 - remove all mouse-related options
+- introduce 'almost sensible' setting and options
 
 ### v1.1.0, 2014-08-30
 - bugfix: determine the default shell from the $SHELL env var on OS X
diff --git a/README.md b/README.md
index 13672d9..9642052 100644
--- a/README.md
+++ b/README.md
@@ -4,9 +4,9 @@ A set of tmux options that should be acceptable for everyone.
 
 Inspired by [vim-sensible](https://github.com/tpope/vim-sensible).
 
-### Principles
+### Core principles
 
-- `tmux-sensible` options should be acceptable to **every** tmux user!<br/>
+- core `tmux-sensible` options should be acceptable to **every** tmux user!<br/>
   If any option bothers you, please open an issue and it will probably be
   updated (or removed).
 - if you think a new option should be added, feel free to open a pull request.
@@ -14,13 +14,18 @@ Inspired by [vim-sensible](https://github.com/tpope/vim-sensible).
   Your existing `.tmux.conf` settings are respected and they won't be changed.
   That way you can use `tmux-sensible` if you have a few specific options.
 
+### Almost sensible principles
+
+- widely used settings that do not make it into the 'core'
+- explicitly enabled with `set -g @almost-sensible 'on'`
+
 ### Goals
 
 - group standard tmux community options in one place
 - remove clutter from your `.tmux.conf`
 - educate new tmux users about basic options
 
-### Options
+### Core options
 
     # utf8 is on
     set -g utf8 on
@@ -48,7 +53,7 @@ Inspired by [vim-sensible](https://github.com/tpope/vim-sensible).
     # vi keys, even for vim users
     set -g status-keys emacs
 
-### Key bindings
+### Core key bindings
 
     # easier and faster switching between next/prev window
     bind C-p previous-window
@@ -70,6 +75,19 @@ allowing you to hold `Ctrl` and repeat `a + p`/`a + n` (if your prefix is
 If prefix is `C-b`, above keys will be `C-b` and `b`.<br/>
 If prefix is `C-z`, above keys will be `C-z` and `z`... you get the idea.
 
+### Almost sensible options
+
+Activate these by putting `set -g @almost-sensible 'on'` in `.tmux.conf`.
+
+    # C-a should be the Tmux default prefix, really
+    set -g prefix C-a
+    set -g mode-keys vi
+
+    # enable mouse features for terminals that support it
+    set -g mouse-resize-pane on
+    set -g mouse-select-pane on
+    set -g mouse-select-window on
+
 ### Installation with [Tmux Plugin Manager](https://github.com/tmux-plugins/tpm) (recommended)
 
 Add plugin to the list of TPM plugins in `.tmux.conf`:
diff --git a/sensible.tmux b/sensible.tmux
index 1ff9944..de31d9c 100755
--- a/sensible.tmux
+++ b/sensible.tmux
@@ -2,6 +2,8 @@
 
 CURRENT_DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
 
+ALMOST_SENSIBLE_OPTION="@almost-sensible"
+
 is_osx() {
 	local platform=$(uname)
 	[ "$platform" == "Darwin" ]
@@ -57,6 +59,10 @@ key_binding_not_changed() {
 	fi
 }
 
+almost_sensible_on() {
+	[ "$(tmux show-option -gvq "$ALMOST_SENSIBLE_OPTION")" == "on" ]
+}
+
 main() {
 	# OPTIONS
 
@@ -100,6 +106,19 @@ main() {
 	# vi keys, even for vim users
 	tmux set-option -g status-keys emacs
 
+	# ALMOST SENSIBLE OPTIONS
+
+	if almost_sensible_on; then
+		# C-a should be the Tmux default prefix, really
+		tmux set-option -g prefix C-a
+		tmux set-option -g mode-keys vi
+
+		# enable mouse features for terminals that support it
+		tmux set-option -g mouse-resize-pane on
+		tmux set-option -g mouse-select-pane on
+		tmux set-option -g mouse-select-window on
+	fi
+
 	# DEFAULT KEY BINDINGS
 
 	local prefix="$(prefix)"