I understand your requirements and ready to start this job.
I did read the complete description: eram
I did several similar projects like this, and I have the script ready, I'm understand joomla 1.5 db structure and the changes to joomla 3.0, so it will be easy for me do this migration.
I´m a CS engineer with 25 years of programming and project management experience.
Professional freelancer with 12+ years of experience in Web Development including Joomla, Wordpress, osCommerce, technologies: PHP, CSS, Jquery, MySQL, etc.
Don´t hesitate to ask anything I´m full dedicated, fast and available now to start inmediately.
I don´t have any other projects running at this momment.
Looking forward to work with you!
Thanks