Easily partition the large hard drive into two. Why? With Windows on C: and your data all on D: if there is a system crash and you need to reload Windows, it won't disturb your data.
Use Windows Easy Transfer software to copy from old to new. (Cable required). TIP: Clean out all your temp files before copying.
Windows has a Backup utility.
If you have more than one Windows 7 computer at home, you can use a wi-fi signal to share files.
What's missing? So far -- Outlook and Outlook Express. Outlook Express is gone forever, in favor of Windows Live, which encompasses mail and calendar programs. Outlook is still available in certain versions of Office 2003 and 2007.