Started out buying everything. Over the years have got to know a few people in the industry who give me something to check out for them from time to time. Still buy most of what I use. I tell it like it is. If there are problems or things that can be improved I say so. Like Thermalright fan clips are the Devil's own until you've used them many times.. and even then far from the easiest to use. But they cool very well and are reasonably priced on the east side of Atlantic. Too bad it's not the same in America. I'm not into it big time but do like knowing what's happening with coolers and fans and which are good all around performers. I'm seeing coolers that don't respond to super high airflow as much as they used to. Even with TY-143 fans cooling to airflow starts flattening off around 1800-2000rpm on most. I agree the TY-140 is a very good fan and very quiet below 1100rpm.. not very loud even at 1300rpm. TY-143 gets much louder as rpm increase. But it's 130cfm@2500rpm not 74cfm@1300rpm. Using PWM control on all system fans makes a huge difference in cooling performance. I often use both CPU and GPU PWM signals for case fans. This allows for a very quiet system under normal use and still having lots of airflow when needed for extreme loads. The size of all larger coolers and pipe spacing means they benefit from 140mm fans so I prefer using 140mm fan. Indeed, the 920 is a very good test platform.. Lots of testing having been ran on them makes it easier to compare other testing too. We can compare everything from Ultra-120A from 2007 to newest releases because some of us are still using them.