For all that are interested...there's a website that has been started through Greg's family with regular information updating his condition. To post up some get well soon comments, you can set up an account for free (like your BCSB account) to access his page.
The site where this page is found is: www.carepages.com
His page can be found under: InfiniteBody
Feel free to post up your comments and get well wishes or simply log in to check out the latest developments with his condition.