Was watching an older ep on SBS and found this link. For those in Australia, you can send a messange through SBS. http://www.sbs.com.au/topgear and click on the link
He sounds like he is making a good recovery, but I guess only time will tell the extent of the damage.
The petition has 22717 signatures now.
The director, Andy Wilman said he'd quit his job if BBC changed the TopGear program from what it is now.