using AC instead of WC is a bit of pain. Before this I also use AC like CM Hyper UC. the problem is, its mounting style cause we need to take out mobo when we're going to open that cooler.

tired of doing that i change to Cm aquagate. that fan i sold it. Using WC make maintenance easy, just clean at the rad and fan only  

If we keep to many dust stick at the fan and HS, cooling effectiveness will drop.

if ur house always dusty, n u r a lazy man, just spent some money for budget WC la...