SAD_DC

hI I am getting the following and i would like to get it from the best/trustworthy/inexpensive site.

Case - NZXT
M.O.B.O - A8N SLi Premium Socket 939 ATX
C.P.U - AMD Athlon 64 3500+ or 3800+ Socket 939 64Bit
R.A.M - 1 G.B
H.D - 200GB+ 7,200 RPM
Video Card - Geforce 7800 GtX


P.s sry if i double posted, i couldent find my other post idk maybe it ddnt work or something..

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CPU:Amd Athlon X2 Dual Core 4200+ (939) 2.20GHz
CPU Fan: Zalman CNPS9700 LED
MoBo: KN8 SLi 939
R.A.M: OCZ 4x 512 PC3200 DDR 400MHz
Video Card: 7950 Gt
H.D.D: Maxtor 300gig 7200 rpm
H.D.D 2: W.D 500gig 7200 rpm
Sound Card: Stock
Microsoft Wireless Optical Desktop 1000
PsU: Aspire 550-Watt Chameleon