I get occasional reminder spam of my email address used for k5 having been harvested at some point, but looking at those diaries doesn't fill me with a desire to return there.
Kuro5hin's alexa rank is about 300,000 also many stories have significant pagerank. One can see from google trends that k5 is a popular site to read, but the five dollar one-time troll suppression fee discourages new members.