Recently more technically oriented exams were announced and released. The following are some that you should consider if you are working heavily with MOSS / WSS 2007:
- Windows SharePoint Services 3.0, Configuring - Exam 70-631
- Microsoft Office SharePoint Server 2007, Configuring - Exam 70-630
- Microsoft Windows SharePoint Services 3.0 - Application Development - Exam 70-541
- Microsoft Office SharePoint Server 2007 - Application Development - Exam 70-542
The configuration exams are fairly easy by MSFT testing standards, but the application development exams will require some study and prep time.
Good Luck!