There is no difference in stability between Home and Pro. They are exactly the same kernel. There are key differences, though. The difference is 5 fold.
1)networking capabilities. Ability to belong to a domain and be centrally managed. The Home is limited to 5 connections, and the Pro is unlimited, IIRC.
2)Security. Domain authentication, Encrypting File System and Auditing Tools
3)Corporate Management. Group policy support, IntelliMirrormanagement technologies software management technology, improved scripting support and management interfaces
4)Mobile Computing. Offline Folders and Encryption File System
5)Advanced Features. Backup utility, two-processor support, Remote Desktop
For a dorm room, you will notice no difference between Home and Pro. You might as well buy the Home edition. Anything else that is reported is merely a Grand Illusion.