i got a case thats got very good temps, cpu 50 c under load, gpu about 60 c under load, motherboard temp 40 c under load still i get a plastic smell when the computer is working harder i feel the top of the case gets hot when i put my hand on it and i Think the smell is not from something getting hot in the case but from the case. could this be cheap quality smell? its a zalman case bought for 35 s. could it be bad airflow it seems like the top of the case shouldnt be that hot.