ArodnomVirginia and it gets hot here as well. Probably not near as hot as your area, plus I only play on it at night and its cooled off some by then. I don't mind drilling holes to make it work.
the one below that is 120mm. This is were you would have to adapt exhaust fan to work as extra intake for Video Card extra air, for exhaust fan you would have to buy something much stronger.
I think that in this situation I will have to look for more power versus noise control for choosing fans, don't worry I am not planning using very loud fans, you will hear low pitch hummm noise, no whinning high pitch types.
starting tomorrow I would not be able to answer so quickly - I have to work sometimes and my work schedule is very erratic.