Games will run in both versions. In fact many gamers actually prefer the Pro version over the Home edition. The Home version is generally geared more towards games, multimedia, and other softwares the average home user is most likely to run. Likewise the impending release of Vista will now see three home versions with another two geared for business application.
The Vista versions soon to be released(when MS is finally ready? early 2007) are as seen at
http://www.microsoft.com/windowsvista/getready/editions/default.mspx
The Editions
Microsoft Windows Vista is designed to dramatically improve the computing experience of every kind of PC user—from people at home who use their PCs for simple web browsing, to business people who must organize and act on large volumes of data, to scientists who routinely perform complex mathematical analysis. To make sure that everyone has an offering tailored to meet their specific needs, Microsoft will deliver five different editions of Windows Vista. Each edition is focused on the needs of a specific type of person.
The five different editions of Windows Vista are designed to fit the way you intend to use your PC:
Windows Vista Business
Regardless of the size of your organization, Windows Vista Business will help you lower your PC management costs, improve your security, enhance your productivity, and help you stay better connected.
Windows Vista Enterprise
Windows Vista Enterprise is designed to meet the needs of large global organizations with highly complex IT infrastructures. Windows Vista Enterprise can help you lower your IT costs while providing additional layers of protection for your sensitive data.
Windows Vista Home Premium
Whether you choose to use your PC to write e-mail and surf the Internet, for home entertainment, or to track your household expenses, Windows Vista Home Premium delivers a more complete and satisfying computing experience.
Windows Vista Home Basic
Windows Vista Home Basic is designed to deliver improved reliability, security, and usability to home PC users who just want to do the basics with their PCs.
Windows Vista Ultimate
If you want all of the best business features, all of the best mobility features, and all of the best home entertainment features that Windows Vista has to offer, Windows Vista Ultimate is the solution for you. With Windows Vista Ultimate you don't have to compromise.