We knew this was coming, and sure enough, Sling hasn't kept us waiting for long. Our beloved readers have inundated our tip jar with the news that the 3G-enabled flavor of SlingPlayer Mobile is now live on the App Store, and from what we're hearing works very well. The placeshifting app will set you back just under $30, but will allow you to finally take your cable, satellite or PVR content on the move with you. We say finally, 3G streaming has been available on other phones for a while now, but good to see AT&T and company see sense and enable the goodness for the iPhone. Get downloading and commenting -- how does it compare to sliced bread?