"BusinessWeek's story includes quite a few open source success stories at well-known companies. Among the citations:
"* Between 2001 and 2002, ETrade was able to cut $13 million a year from its tech spending by switching to open source software.
* H&R Block, Men's Wearhouse, and Shinsei Bank are all now paying customers of SugarCRM, which posted record revenue in the third quarter.
* A September Gartner study finds that about 52 percent of enterprises surveyed are using open-source server software and another 23 percent plan to use it within the next 12 months."