DragonSteelMods posted a comparison between Vista SP1 vs XP SP3
>> Vista SP1 vs XP SP3 Comparison
Since I ran the comparisons on the service pack updates for Windows Vista and Windows XP I thought it might be interesting to combine those results into one brief article comparing the two and see how they stand up against each other. I had a few comments and emails about comparing them so I thought why not, and besides I was curious myself...
>> Vista SP1 vs XP SP3 Comparison