I have a PSP Go on the 6.2 firmware. I read a few threads here and some on other sites about modding on 6.2 and 6.6. Most people say 6.2 is better because you will have a permanent CFW. But, these posts are dated 2011. If they are still true, I don't know since wololo.net says to just go ahead and update to 6.6 http://wololo.net/installing-pro-cfw-on-a-psp-go/ Then I read the newest sticky tutorial here and it says only certain PSP models can go to 6.6 and get a permanent CFW. I see the 1000 series and 2000 series listed here, but what is a PSP go? Is that part of the 1000 and/or 2000 series? http://gbatemp.net/threads/how-to-softmod-hack-your-psp.293978/ I think I need clarification first before I update to 6.6. Thanks!