The famous IT Spending Survey from Goldman Sachs research group tracks, among others, which IT vendors are most requested at spending time among top 1000 worldwide companies.
The 2006 survey, conducted in mid-April on a 100 IT executives sample (half of them CIOs) and published on 5th May, still reconfirms VMware as the most purchased technology in US, after being at first position on 4 surveys of 6:
