I have a programming, computer security, and cryptography blog and it seems that that crowd either doesn't have, or runs another browser, Macs as often as the TechCrunch crowd.

Firefox 27,725 45.15%

Chrome 16,856 27.45%

Internet Explorer 6,191 10.08%

Safari 6,085 9.91%

Opera 2,165 3.53%

Mozilla Compatible Agent 1,395 2.27%

Mozilla 418 0.68%

Konqueror 185 0.30%

Opera Mini 126 0.21%

SeaMonkey 107 0.17%

OS:

Windows 35,928 58.51%

Linux 10,855 17.68%

Macintosh 10,709 17.44%

iPhone 1,726 2.81%

Android 926 1.51%

iPad 625 1.02%

not set 181 0.29%

iPod 159 0.26%

FreeBSD 88 0.14%

SunOS 69 0.11%

17% Mac users (even more if you count iPhone, iPad, & iPod) but still only 10% Safari.