Sunbeam NUUO 550w good for this system and future?

[Narius]

My system right now is

AMD 64 3700+ @ 2.6
1gb ram
250gb sata 3.0 hd
200gb ide hd
dvd burner
floppy

and im buying a x1900xt or a 7900gt and am going to need a new psu. I dont want to spend anymore than $100 (around there) on it and dont want to neccesarily spend that much. I was thinking about the Sunbeam NUUO 550w http://www.newegg.com/Product/Product.asp?item=N82E16817709004

do u have any recommendations? Do u think its worth it spending the extra $20 and getting the Ocz gamexstream 600w?
http://www.monarchcomputer.com/Merchant2/merchant.mv?Screen=PROD&Store_Code=M&Product_Code=101207

also i want this psu to power my future upgrades like when i upgrade to conroe probobly late this year or Q1 07.

 

[Narius]

oh and what about the enhance 0506?

 

[~GoaT~]

I have the sunbeam and run an x1800xt and it does just fine.

 

[Narius]

Ok so ive narrowed it down to these select psu's

Enhance 0560G $99 @ eWiz
Enhance 5150GH $67 @ eWiz
Ocz gameXstream 600w $99 @ Monarch
Enermax 500w $99 @ Monarch

I would like to just get the 5150GH becuase its cheapest. Im not sure how much amps it has on the 12v rail combined though. Does anybody know? Also the seasonics are too expensive.

 

[Narius]

do u think that the Sytrin Nextherm 460w could handle it?

http://jonnyguru.com/PSU/NexthermPSU460/

 

[Asian Dub Foundation]

i'd get the OCZ