For Outlook Express messages, the location of the files depends on the version that you are running.
For OE6 and W98, my mail files are stored in the folder;
C:\WINDOWS\Application Data\Identities\{string}\Microsoft\Outlook Express
{string} is a long alpha-numeric string assigned by OE when it installs.
If W2K is like XP, your mail files will be under your identity in the documents and settings folder.
The OE files all have the extension .dbx
There is one .dbx file for each folder in your inbox.
You need to manually export your address list from within OE to transport it to the new PC.
Once you copy the .dbx and address files onto a CD, or the new system hard drive, use the Import option in OE to import your saved messages, and your address book.
As to McAfee, I download the latest XDAT or SuperDat file from their web site, along with the appropriate patches.
Then, re-install from the CD, and install the patches and latest engine and DAT files.
McAfee just introduced version 7 of Virus Scan. If you are using version 5, this may be a good time to upgrade.
Chas