Is this case Viable?

[CuteTurtle]

I have this case and wanted to know if I -REALLY- need to upgrade or if its still good. Running E5300 and a GTS 250, wanted to overclock and not sure if the case can take the heat.

http://www.antec.com/Believe_it/product.php?id=MjM=

 

[CuteTurtle]

May I mention this case is in my desk thats closed, not sure how to explain.