The blue yeti is an amazingly popular microphone for let's players. It sounds great, is durable, has 4 separate pickup patterns, and is often on sale. It's not perfect however. Being a condenser mic, it is more sensitive to picking up background noise from things like air conditioners, PC fans, neighbors, traffic, etc. So to get the best sound out of it you have to record in a room that's away from noise sources. This is something not easily accomplished by someone streaming from their bedroom for example. Another feature it lacks that many of it's competitors include, is an xlr jack, for use with a mixer or interface. To get this on a yeti, you have to get the much more expensive "pro" version. So while the yeti is a very good mic overall, I'd wait for it to be on sale, which it frequently is.