It's a good idea to do a quick check of the files on your new Mac after migrating. Open every application to make sure it works okaymake a quick file and try to save it. If an application doesn't work, you will just have to reinstall it from the original disks.
Open sample files by double-clicking on them to make sure they can open in the correct application and that their fonts appear correctly.
Connect to the Internet, check your mail, and take a peek at your System Preferences to make sure things are really how you like them.