Vista 6 month vulnerability report - better than XP?

Good report at Jeff Jones blog http://blogs.csoonline.com/windows_vista_6_month_vulnerability_report

For those that only want the executive summary, here is a key chart that shows the publicly disclosed High severity vulnerabilities during the first 90 days of availability, broken down by vulns fixed and vulns unfixed. Note that this chart is showing the reduced Linux builds that exclude non-default and optional components without equivalents on WIndows. (clicking the chart also gets you to the full report.)
High Severity Vulns, Fixed and Unfixed in First 6 Months of Windows, Red Hat, Novell SUSE, Ubuntu, Apple Mac