I'm running ext4 on my laptop. It is significantly faster than ext3. Cold Boot time is awesome. (Sorry HN - I should really test/validate/quantify this, If I

I'm running ext4 on my laptop. It is significantly faster than ext3. Cold Boot time is awesome. (Sorry HN - I should really test/validate/quantify this, If I get some spare time - I'll try it out and post it here) Don't forget stuff like time machine is tied into some of Apple's FS hooks. And of course the fact that the high end (apples market) is undergoing a pretty major shift in hard drive technology at the moment (SSD's).