upgrade my site to drupal 5.2

Hi, I have a simple website that is totally unfinished, and is running with Drupal 4.7 There is not much content on the site but there is some, so I need the site to be backed up with the "fullsitebackup.sh" file drupal provides, and then upgraded to the latest version of drupal - version 5.2. This is NOT a site build or site finish, all I want the winning provider to do is update the version of Drupal that I currently have running. Thats it. Any of you who can do this and ENSURE i don't loose any content and the site gets backed up properly, please bid. Cheers!