I was looking at the Zalman FS-V7 Fatal1ty Copper VGA Cooler for my x1800xt as I would like my pc to be both cooler and quieter but I'm worried about removing the x1800xt stock cooler! Is it a fairly simple procedure? and will the Fatal1ty cooler make a huge difference! The card is soft modded at the moment with an idle temp of 57 degrees which is only one more before the soft mod! What kind of cooling performance could I expect?