朋友電腦被摔壞了小弟最近要幫他組.預算2萬初!配出了三種模式.請各位大大幫小弟看看哪種會比較好.多謝^^"(價格來自原價屋)

1.
CPU:AMD K8-939 3000+ $2350
MB: MIS RS482M4-IL $2400
RAM:金士噸 512MB DDR400*2 $3700
硬碟: 希捷 SATA2 80GB $1600
POWER:七盟 350W/ATX2.0 $1350
-----------------------------------
$11400

2.
CPU:AMD K8-S940 3000+AM2 $1900
MB: 華碩 M2NPV-VM $2990
RAM:威剛512MB DDR2-667*2 $3600
硬碟: 希捷 SATA2 80GB $1600
POWER:七盟 350W/ATX2.0 $1350
------------------------------------
$11440

3.
CPU:INTEL P4 CELERON D 2.53 478 $1700
MB: 精英 P4 800PRO-M478 DDR2 $1700
RAM:威剛512MB DDR2-667*2 $3600
硬碟: 希捷 SATA2 80GB $1600
POWER:七盟 350W/ATX2.0 $1350
------------------------------------
$7950

小弟朋友電腦用途.上網60%.文書30%.小遊戲10%