Oh man 3000, well you can't do custom firmware yet with 6.30.
So homebrew is your only choice right now with the help of HBL
http://www.psp-hacks.com/2011/01/23/half-byte-loader-r113-signed-released-for-psp-firmware-6-37/this will help you to run homebrew apps with no problem since its signed.
Good luck and hope this helps

Also I don't recommend updating from 6.30, but its your choice. =)