just into the final push now. the content is migrating. we are now working on display. it's a big learning curve, especially after coming from a "let's quickly code that and upload it" system to the module/hook system used by drupal.
but we are looking to future-proof the site and reduce it's dependancy on custom code. bit worried about performance now, but we're going to hide it all behind varnish and hope for the best!