An anonymous reader writes "CIO Insight has asked its readers to rate their satisfaction with their vendors. Not surprisingly, 'CIOs are disappointed and disgruntled with the performance of their most important vendors. In fact, the number of companies with lower scores in 2006 than in 2005 outpaces those with higher scores by a margin of two to one.' In first place was CDW, edging out last year's top vendor, Red Hat, which tied for third place this year. Microsoft came in at number 24. The coverage includes a detailed methodology on how the survey was conducted. 826 qualified respondents participated."