I think I will start using it, even though I don't use Word 98 and have never seen the bug. To read more, visit the MacFixIt archives . Wait a while. Let the unknown bugs be discovered and the known ones fixed with software upgrades and replacements. The multi-user file protection system apparently is weak, such that it can be bypassed by booting off a different volume.
Every major upgrade goes through a shakedown period.
Simplify your life. Hold off a few months. Apple released a trio of new iMac models Oct. 5, and the base unit ships for under a thousand. Of course this means that remaining stocks of current iMacs will be wholesaled through mass outlets and should be the bargain of the day. But then you won't have all the cool new features.