Sign up to get a notice on the day the Visual Studio 2008 exams and SQL Server 2008 exams go live. VS are coming up soonish, and SQL are a long way out. I encourage you to let go of your legacy methodologies--floundering, shooting-in-dark, wild poking-about--and sign up to let us tell you exactly when the exams are available. Oh, and don't mind if you do get a 40% savings to use on one or two of the exams in each of the tracks...
Details and link to register here.
If you don't know anything about the certifications for Visual Studio, you can:
If you don't know anything about the certs for SQL Server 2008, you can:
In either case, a good way to keep up is to read Gerry's blog.