Newly arrived RSS Mixer is essentially a feed aggregator. The most notable difference between Mixer and other true aggregators, however, is the actual mixing part. It’s like making a mixed tape of your favorite feeds. Just select a title for your mix, enter your feed and hit the mix it button. Voila, a personal mixed feed available as RSS HTML, iPhone page, and a web widget. Badge options are also available for others to take a hold of your feed. It’s super simple(much like Twitter) yet utterly handy. It could be a valuable companion to sites like Tabber.