I wrote a simple Linux shell script called dooverclock.sh. Give it a try. Standalone.
3. Run dooverclock.sh
4. Follow directions (1.2, 1.3, 1.4 are meant for D2) in UI
Information and downloads here:
DOOverclock - Easier Way to OC Your Droid 2 - xda-developers
Will port to Windows as soon as I have time.