Update: There will be 3 versions of PRO going to be released.
6.20 PRO-B-P ("P" is for permaflashable.) 6.20 PRO-B and 6.35 PRO-B on all units up to 5g (PSP Go) and for all units above 5g. (9g)

Source: http://www.facebook.com/pages/PSP-Noob-C...2208447756

I will put a link here on EP when the files are out.
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PRO-B 4 is now complete.

Great News Guys – Yesterday, 1AM GMT+1 Timezone, wee finished PRO-B 4!

Wee will make use of the coming weekend to wrap things up for a proper public release!

Greetings, Coldbird.

Source: http://blog.coldbird.co.cc/?p=467
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Waiting for release... Edit: There blog has been down for hours now I think they are going to release the update soon.

Also you can comment people, I don't need REP, and I am not going to take your PSP's away.