I have been doing a lot of reading on the web with regard to electronic ignition systems.
The Pertronix one looked good to start with, but I have now found a far superior beast in the "123 ignition" item, follow this link and review the test video.
Video It is most revealing of the other type of systems failings and shortcomings.
Make your own mind up!
The 123 Ignition company has just brought out 2 models for the ford engines cars that many of us drive, available in April 2011.
123 Ignition this link for the dutch website with the download page for the software.
software downloads page Regards
Peter