http://ask.slashdot.org/article.pl?sid=07/11/21/141244 Read this thread- there are 700+ comments, most of which are great. This will put all the ideas in front of you and let you get some idea of the options available. Threads like this are why Slashdot is so great. No matter if you prefer Digg or reddit etc, you can't get discussions like this anywhere else...