I'm a first time Mac desktop buyer and I guess the reason it took so long was my fear of replacement. As a long time PC user, I still have my first desktop built back in 1997/98 which is alive and well. If the battery died, I would have no problem replacing it but what about the mac pro? I know it's only time when something goes wrong; whether that's 2 or 5 years down the road, I intend on keeping this for the long haul. That said, even if I did purchase Applecare, I don't see how that will be useful 5 years from now. And to be quite honest, I don't like any extended warranty regardless of the initial investment. So I guess what I'm getting at is; is the Mac Pro PC friendly if you need a new PSU for instance?