Shrouds aren't necessary IME. They will 1.Make your rad a little more efficient, and 2.Reduce noise. I'm sure the gains are minimal but to me it is a win-win, you get better cooling for less noise, though you do have to sacrifice space.... you don't get something for nothing.
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Q6600 @ 3.6GHz w/ D-Tek Fusion
Gigabyte GA-P35-DS3R rev.1
2x 2GB PC8000 Mushkin Redlines @ 1000MHz w/5-5-5-12 timings
Asus EN8800GT Top stock speed w/ DD Maze5
OCZ Gamer Xtreme 600W PSU
Cooler Master Cosmos on water |