Here are a few feeds that HN readers may be interested in:

http://getprismatic.com/news/topic/Startups

http://getprismatic.com/news/topic/Silicon%20Valley

http://getprismatic.com/news/topic/Entrepreneurship

http://getprismatic.com/news/topic/Programming

http://getprismatic.com/news/topic/San%20Francisco