really as comment to the Weds post above, but I agree about all those buttons. We have added them to podcast.com, but hidden until you click subscribe, when it will give you the options.
What REAAALLy gets my goat about digg is, what the hell is it doing as a link on some techmeme stories?
Is there really that much useful discussion going on on the comments after stories?
It's like the echo chamber recursively pointing at the echo chamber - which can only mean one thing - a black hole :)