Can't say we noticed an extraordinary amount of blowing from our XPS 13 Ultrabook review unit, but for those with an optioned Core i7 model, you may want to give the source link a look. Down there, you'll find a download link to the A03 BIOS update, which delivers "an updated thermal table which dictates fan speeds and trigger temperatures." Evidently, these machines have a tendency to kick the fans into high gear prematurely (it's okay Dell, we all get excited sometimes), but thankfully, a 4MB package is all that's required to remedy it. 'Preciate it, technology.