Update README.md

Author: Dominik Weiss

README.md

@@ -3,6 +3,8 @@ Laptop
 
 Laptop is a set of scripts to get your laptop set up as a development machine.
 
+It should take about 45-60 minutes for everything to install, depending on your machine.
+
 Mac OS X
 --------
 
@@ -23,23 +25,3 @@ Then, run this one-liner:
 
 If you're setting up Ubuntu for one of our workshops, we recommend you also install gEdit for your text editor.
 You can [customize it with these instructions](http://blog.sudobits.com/2011/04/02/textmate-for-ubuntu-linux/).
-
-What it sets up
----------------
-
-* SSH public keys (for authenticating with services like Github and Heroku)
-* Homebrew or apt-get (for managing operating system libraries)
-* Ack (for finding things in files)
-* Tmux (for saving project state and switching between projects)
-* Postgres (for storing relational data)
-* Redis (for storing key-value data)
-* ImageMagick (for cropping and resizing images)
-* RVM (for managing versions of the Ruby programming language)
-* Ruby 1.9.2 stable (for writing general-purpose code)
-* Bundler gem (for managing Ruby libraries)
-* Rails gem (for writing web applications)
-* Heroku gem (for interacting with the Heroku API)
-* Taps gem (for pushing and pulling SQL databases between environments)
-* Postgres gem (for making Ruby talk to SQL databases)
-
-It should take about 30 minutes for everything to install, depending on your machine.