Antec SmartPower 2.0 450w

Hey guys, looking for some advice here. I'm leaning toward building this system:

Antec Sonata II Case (I want a quiet unit)
http://www.newegg.com/product/product.asp?item=N82E16811129155

Gigabyte GA-965P-DS3 Mobo
http://www.newegg.com/product/product.asp?item=N82E16813128012

Asus x1950pro video card
http://www.newegg.com/product/product.asp?item=N82E16814121031

Intel E6300 cpu (should I go E4300 instead?)

Gskill 2GB mem
http://www.newegg.com/product/product.asp?item=N82E16820231087

WD 250gb SATA drive
http://www.newegg.com/product/product.asp?item=N82E16822144417

Lite-on DVD writer
http://www.newegg.com/product/product.asp?item=N82E16827106045

Creative Audigy SE sound
http://www.newegg.com/product/product.asp?item=N82E16829102010

and Windows Vista Home Premium

I've seen good and bad reviews on the Antec SmartPower2.0 450w psu included with the Sonata case. It is listed as a tier 2 psu...

What's the low-down on this psu? Will it be reliable and sufficient to power my system?
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  1. Thanks for the advice! I think I've decided to go with the case and power supply below:

    NZXT Apollo
    http://www.newegg.com/product/product.asp?item=N82E16811146026

    Fortron AX450 PSU
    http://www.newegg.com/product/product.asp?item=N82E16817104954

    I believe that psu should do the trick and allow me a little bit of overhead to overclock.

    I hope anyway! ;)
  2. This sounds rather familiar. I have a similar post somewhere further down the forum when I was considering the Sonata II for my new system.

    If it isn't too late to suggest it, I went with the Antec Solo case in the end which is similar design to the Sonata II if you like that (including the fact that it's quiet). You'll want to couple it with a quiet PSU too - I went with the Antec NeoHE 500W, though you may be OK with a lower wattage version on your system, I don't know. :-) (I think the next model down is 430W)
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