Dear friend I am Linh.
I am Joomla Developer and have much experience in upgrading Joomla 1.5 to Joomla 3.3 and clean code. Please check my reviews if you want to ensure
About your project I have some questions
+ If you bought SP Upgrade, it only solves : migrate content, other data like media, template, and its style, it can't be done. I am sure about that. I will do for you
+ What about Ads position?
+ What for event?
What I will do
+ Move all contents, menu, modules. users to new Joomla fresh system
+ Create a fresh template with clean code and keep format layout as old site
+ Secure the site
+ Backup and deliver for you ask quickstart package
If you want to develop this project, and serious about that I am dedicated developer and ready sit with you to discuss on each item ,
I will invest time with you to do :)
I am serious developer and interested in doing for you this project I will update you daily for progressing of project.I am happy to reply you by hourly
Best regards
Linh