No sweat. I hope the fan's good. CM name or not, airflow and noise should be in acceptable levels. 200 bucks is pretty low for a branded 120mm fan. The thermalright seems a bit expensive in comparison but that's all they had in budget 140mms.
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ok got the case and fans. they're all ok. funny thing i've noticed about all these branded fans, both the cm 120mm and the thermalright 140mm is that they actually blow very little air. rpms are very low in order to keep noise down. so i dunno if cooling performance will be as good as a faster blowing (but louder) fan.