So this means...

[hawke213x]

http://my.qj.net/3-00-hybrid-or-even-3-00se-/pg/49/aid/1063

1. Custom 3.0 firmware?

2. Custom 3.0 with 2.71 Kernel

3. 3.0se

4. 2.71 can just run 3.0 PRXs?

[Xiofire]

I think they just flashed some 3.00 prx's into 2.71/2.71SE-C. Cool anyway
-Xiofire

[hawke213x]

But surely the exploit found in 3.0 is of some use according to this video?

[splodger15]

Finding an exploit is not as easy as you think it is