Install App “Kontacts” via BlackBerry App world
Run Kontacts and Export to csv
Start “BlackBerry Desktop Software”
Choose File
Press BlackBerry Icon in address line
Choose Device > home > user > documents > Kontacts
Copy file via drag and drop to folder in Explorer
Open www.google.com/contacts (maybe you have to sign in)
More > Import
Choose File (the exported file from above)
Import
Connect Phone to Google contacts via special app