Here are some GREAT sites for CBM probes and information on progress monitoring :)
Free probes in a variety of areas.
This site provides instruction, tools, and performance standards for improving academic and social behaviors using an instructional measurement practice called Precision Teaching.
This site is sponsored by the U.S. Office of Special Education Programs. Provides information on monitoring progress.
University of Minnesota sponsored website for the Research Institute on Progress Monitoring.
Intervention Central's CBM section.
Yearly Progress Pro
A commercial website for CBM. It is very similar to DIBELS, but includes more academic areas.