Well, i found a purpose for the big wire clutter. This 80mm fan keeps the mosfet cool enough to touch and hold after an hour of half life 2, which is all that matters to me!

http://www.alienhax.us/uploads/Picture 006.jpg

I would definetly say a fan is a must. With one, im pretty confident about runing the 5v jumper 24/7, especially after reading the caps were stated to live through 105C. Id say the temp is about half that now.