Generally it's better to have an equal intake and exhaust.
What are you trying to do, exhaust the heat from GFX?
You could always try both configurations, and compare your temps, maybe it would work. It's hard to tell by just looking at an empty case...
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CPU: Athlon 64 X2 4800+ Skt939 Toledo @ 2.4Ghz
Motherboard: Asus A8V-E SE
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Multiple Display 101
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