ok guys i have an lga 775 3.4 pentium an x800xt video card 1 gig of kingston ram a 550 power supply and a lan li case model 60 and two 74 gig raptors o raid .under load playing halflife 2 deathmatch i top out at 74c. i would like to put a water cooling syatem in i was looking at the Zalman Reserator 1 Fanless Water Cooler .with a danger den tdx cpu block is this a good idea and what kind of temp differance can i expect maybe 15 degrees lower!! thankyou