Need help choosing a PSU for e6400 build

[orbit06]

I'm planninng on gettting e6400 with a Gigabyte DS3.
2x1GB OCZ or G.Skill
Unsure of GPU but a dual dvi one in the $150-200 range.

I don't really play that much games, but I might play a little in the future. So this machine is mainly for multimedia, multitasking, i.e. everything else.

So I'm narrorwed it down to these three PSUs. Since all three power supplies I'm looking at are about the same price, my first question is would the 430w SeaSonic be enough power for current use and also be enough for future upgrades. Or should I should I be safe and choose a 500w one. Second, between the silverstone and Forton is there any real tradeoffs or would picking either be a toss up? In terms off what I'm looking for, I guess would be average across the board. Not too noisy but stable and supplies ample power.

Thanks for your help.

SILVERSTONE SST-ST50EF ATX12V 500W
http://www.newegg.com/Product/Product.asp?Item=N82E16817256001

FSP Group (Fortron Source) AX500-A, 2.0 version, 2 SATA, PCI Express, 500W
http://www.newegg.com/Product/Product.asp?Item=N82E16817104934

SeaSonic S12-430 ATX12V 430W Power Supply 100 - 240V UL
http://www.newegg.com/Product/Product.asp?Item=N82E16817151023

 

[phreejak]

Of the 3, the Silverstone has the best amperage across its 12v rails. While the Seasonic would power your currently planned rig, the Silverstone is better for futureproofing than the other two because of it's superior amperage.

Here's another one you might look at that is within the same price range:

ENERMAX Noisetaker II EG495P-VE ATX12V 485W ($90)
http://www.newegg.com/Product/Product.asp?Item=N82E16817194009
dual 12v rails, strong amps (22 per rail), excellent rep, Active PFC