Like I said, I would only ever use the official PS3 Toolset by bguerville himself - anything else is either a cobbled together imitation at best (which can miss key features such as safety measures which can and do prevent bricks) and something which could potentially steal your console ID or something equally nefarious, at worst.
For anyone else reading the thread who is considering using an unofficial toolset (the word can be applied loosely) for patching your flash to be able to install CFW and won't wait for the genuine article to be available again, I strongly recommend reading
this thread as posted by the site admin. In particular, the
FAQ - Unofficial Clones/DNS tab which reads: