Pros: I am really surprised by how much quieter this is than the stock Intel cooler. I did not have great expectations, considering that is was free after the rebate, but it does perform well. I didn't look at my CPU temps, but that wasn't really what I was concerned about anyway. The stock cooler for my 3750K sounded like a buzzsaw every time it spun up on POST, and this is much better.

Cons: I would normally say it wasn't free except... it was free.

Pros: Inexpensive, included fans are pretty quiet, several fan bays.

Cons: The cables connecting the I/O port to the motherboard have begun to corrode (or something?) causing not only a terrible smell but a short-circuit in the front-panel USB port that makes my monitor freak out and nearly destroyed one of my external drives. What the heck is going on here?

Overall Review: I'm sure they're fine most of the time, but this is 100% not fine in my case.