This is a installable selection of SUSE LINUX Professional 9.2 which comes with:

a comprehensive selection of applications to facilitate a wide variety of computing tasks (office suite, email, Internet, picture processing, multimedia and more)

32bit and 64bit version

over 1,000 software packages

This free offering will enable Linux users to trial the latest open source desktop, server and application functionality that has become the hallmark of the SUSE LINUX consumer distribution.

All I want to know will stop working?

I also received a similar package which says: "Evaluation Kit: free updates through January 2006." My understanding is that it would continue working. You just wouldn't get any support after the evaluation period ends.