Finally, OS X needs a minimum of 128 megs of RAM to run effectively. The advantages OS X will be stability, speed and reliability. Apple's theory is that new computer users can understand this interface easier. OS X has a very slick look to it with transparent titlebars and menus, matching the cases and overall design of all new Apple products. Unfortunately, OS X isn't even close to fulfilling its expectations.
Many users report system crashes while doing basic tasks.
Apple has released a bug fix for OS X, and it has been only a month since OS X was officially released. I can't use it for more than a couple of hours without something going wrong. The older your Mac, the more likely you will run into problems. Software needs to be rewritten to take advantage of the new interface, stability and power OS X offers. Even some of Apple's products won't work in OS X, including DVDs.