Good Case with airflow

[007agentHP]

hello, i'm looking for a case larger than micro atx (but can be micro atx) that has good airflow. this case will support an i5 and a r9 280x with crossfire in the future. looks don't matter. a fantastic case for air all under a $80 budget. Thank YOU!

 

[badboyrog2]

corsair 300R