wait_for_new_macbooks.rb

require 'httparty'

loop do
  response = HTTParty.get('http://store.apple.com/')
  if response.include?('http://images.apple.com/r/store/backsoon/1x-covers-animation-v3.gif')
    puts "not yet"
    sleep 10
  else
    break
  end
end

system(%{osascript -e 'display notification "Buy Laptop! :D" with title "New Macbooks"'})
system(%{open 'http://store.apple.com'})

Solid beginning to a codebase. :)