The feed is realtime, it has a functional
I am following it in my personal river. It's a lot of news, but I like having it there.
The source of the flow is http://api.ihackernews.com/new.
PS: Lots of interesting comments about the feed over on Hacker News.
PPS: The Twitterfeed folk are using this feed to link the firehose to Twitter.
PPPS: Even better, they say they're going to hook into rssCloud!!