some soundcard / peripheral setup questions

[cRaZe]

ok my goal right now is to find a soundcard that will let me hook up my pc and my playstation 2 at the same time....

my useage will be primarily gaming on the pc and dvd playback on the playstation2 and gaming on there as well....

now i was hooked on the turtle beach - santa cruz until i really started to get into the subject and noticed the hercules gaming theater XP 6.1 has this external module that has these rca jacks for the speakers L-R surround L-R and the center and subwoofer



does this mean say i had the klipsch 4.1's i plug all the rca jacks for the 4 speakers straight into that directly instead of the back of the klipsch subwoofer rca plugs?

or am i looking at it wrong..?

so if i went and got the turtle beach could i run the playstation 2 into a adapter and plug it into the LINE IN of the sound card.....and get the surround sound decoding that way?