Refactored just a very few minor things.

Gemfile

@@ -7,7 +7,6 @@ gem 'rails', '3.0.4'
 
 gem 'sqlite3'
 gem 'devise'
-
 # Use unicorn as the web server
 # gem 'unicorn'
 

app/controllers/links_controller.rb

@@ -1,24 +1,18 @@
 class LinksController < ApplicationController
   include LinksHelper
-
+  respond_to :html, :xml, :json
   # GET /links
   # GET /links.xml
   def index
     @links = Link.all.sort { |linka,linkb| votecount(linkb) <=> votecount(linka) }
-
-    respond_to do |format|
-      format.html # index.html.erb
-    end
+    respond_with(@links)
   end
 
   # GET /links/new
   # GET /links/new.xml
   def new
     @link = Link.new
-
-    respond_to do |format|
-      format.html # new.html.erb
-    end
+    respond_with(@link)
   end
 
   # GET /links/1/edit
@@ -63,11 +57,7 @@ def update
   # DELETE /links/1.xml
   def destroy
     @link = Link.find(params[:id])
-    @link.destroy
-
-    respond_to do |format|
-      format.html { redirect_to(links_url) }
-    end
+    respond_with(@link.destroy)
   end
 
   # PUT /links/1/upvote

app/views/links/index.html.erb

@@ -1,5 +1,5 @@
 
-<% if @links.count == 0 %>
+<% if @links.empty? %>
 <p>No links have been submitted.  Click the link below to add one.</p>
 <% else %>
 <h2>Submitted Links</h2>

config/routes.rb

@@ -7,7 +7,6 @@
   end
 
   get "home/index"
-
   devise_for :users
 
   # The priority is based upon order of creation: