Thomas Paul: Looks like about 20 posts per day. When he gets up to 1,000 we'll see how his idea works.
Alexa traffic rank of joelonsoftware.com: 70,431
Looks like it peaks at rank of about 40,000. http://www.alexa.com/data/details/traffic_details?q=&url=joelonsoftware.com
For comparison: Alexa Javaranch.com traffic rank: 55,410. http://www.alexa.com/data/details?url=javaranch.com
So in essence site traffic is pretty equal on both sites
He does have a lot fewer posts though.
If you want to research a high-traffic community, try webmasterworld.com (Alexa rank 355, i.e. 355th site by traffic in the world!). They are a Webmaster resource site, and their rules are quite strict. I would've never bothered going there if not for great Webmaster resource discussions they have. They have a lot less sence of a community then MD had.
[ April 12, 2003: Message edited by: Shura Balaganov ]