mod chips or the other

[joanie]

ok i am new at this..........which is better???
the mod chip or the other thing?? sorry i dont know what it is called and also is it hard to copy games for ps2 because they are DVD.
Do you need special disc's to copy DVD's and another ?..............what are the patches for???? If someone could please let me know all this info and if you have more that is helpfull that would be great.
Like i said i am new and i have no idea what i am doing as you know with my ?'s!!!!!!!!!!
thanks......................Joanie