As an ongoing service to the greater Windows IT community, we're publishing the first of our weekly "snapshots" of OS and application usage rates as measured within our own little corner of the industry. These numbers are current as of 06:00 GMT and based on a sample of set of 1,106 contributor systems:
Figure 1 - Contributor Usage by OS Type/SKU
Interpretation: While Windows XP (55%) still makes up the lion's share of our user base, Windows Vista - in its various incarnations - is running a closing second (37%). We'll be checking back each week to chart the progress of XP, Vista and their variations over time, and also to monitor adoption rates for Vista SP1 and XP SP3 when they're released early next year.