Datel have told Portable Video Gamer that Sony is taking legal action against their lite blue tool. The tool advertised to be able to hack the PSP-3000. This answer came just after Portable Video Gamer asked Datel why the Lite blue tool was removed and later the description changed.
Datel’s response:
Due to legal action by Sony [...]

But not by Dark~AleX. Guess who?
Datel out of all people have “cracked” the PSP-3000 and booted it with a new TOOL battery.
Compatible with the PSP-2000 and 3000, it goes for $19.99 in the UK and $29.99 in North America late this month.
BUT! There’s a catch. This battery doesn’t actually install CFW on your PSP.
From [...]

Remember Datel’s Action Replay for the PSP? Upon inspection by Dark_AleX and VoidPointer, it appears that the $40 device actually contains the IPL used in Pandora within the supplied memory stick.
Datel’ Action Replay does uses code that isn’t from itself, code that isn’t distributed to be used the way they use it anyway. The code [...]