Use tabs and try to sort the view by days until sold out

app/mailers/spree/stock_mailer.rb

@@ -62,7 +62,7 @@ module Spree
             forecast.push(generate_estimate(var))
         }
 
-        forecast
+        forecast.sort { |x,y| x['days'] <=> y['days'] }
     end
 
     def stock_report_email()

app/views/spree/stock_mailer/stock_report_email.text.erb

@@ -5,7 +5,7 @@ will run low.
 
 Estimates:
 <% @forecast.each do |dict| %>
-<%= dict['name'] %> (<%= dict['available'] %>) => <%= dict['days'].round(2) %> days until sold out.
+<%= dict['name'] %>	(<%= dict['available'] %>)	=>	<%= dict['days'].round(2) %> days until sold out.
 <% end %>