It is also the slowest part of any working computer these days. Its ability to retrieve data at a high speed has pretty much been maxed out in the 6-11 milliseconds range. There is hope though. The first thing you can do is make sure you have a SCSI hard drive. They have a new IDE RAID that is actually faster than SCSI at a much better price.
Monitors Be careful buying a monitor today.
There is a current swing to buy an oversized monitor, but beware, there are several companies selling substandard monitors. Quality monitors have a dot pitch of, at most, .28. The cheap monitors on the market are pushing .39 for the size of a pixel, which provides a view similar to that when sitting up close to a television. There has been an increase in the amount of RAM that video cards can take. For quite a while a 2MB video card was standard for viewing millions of colors.