Which PSU should i pick?

Hello guys, my friend is going to send his old motherboard and CPU, he is also going to send me a new VGA,
So what i am going to do is replace my old components with these new parts.

These are the new components:

MotherBoard: ASUS Rampage II Extreme. http://

CPU: Intel Core i7 965 3.2GHz 8M L3 Cache. http://

VGA: Gigabyte GTX 760 GDDR5-2GB . http://

Here is is my current PC:

MotherBoard: GIGABYTE P55A-UD3R. http://

CPU: Intel Core i5-760 Processor 2.8. http://

VGA: GIGABYTE GTX 260 OC. http://

PSU: GIGABYTE 450W. http://

RAM: KRETON ES 2GB DDR3 1600 CL9 x 4 parts so thats 8 giga, Couldn't find any website for it, but it looks like this: http://

It seems that i am going to need a new PSU, and in my city we only have two CPU brand's which is IKONIK GAIA 500w http:// and the FSP 500W SAGA II http://.

What do you guys think? could my old GIGABYTE 450W PSU handle the new components? or should i buy this new PSU?.
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More about psu pick
  1. I would not get any of them. If no other choice, go with FSP, but the best option would be xfx core 550w or seasonic 550w or higher.
  2. " Super Flower " make excellent PSUs
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