Please comment - AMD A8 list

幫 friend 睇,
文書, 大量 multi tasking, 會同時間開百九幾樣野, 睇高清 clips, photoshop
未睇機箱, budget around $4k

Thanks,

Lite-On iHAS124 24X DVD Writer /SATA/黑色 HK$ 137     
AMD 4xCores A8-3870(K) 3000MHz APU Processor [Socket FM1] AD3870WNGXBOX 盒裝 (100W) [Black Edition] HK$ 845     
GIGABYTE GA-A75M-D2H AMD A75,DDR3,Socket FM1 (APU),USB3.0,SATA3 6Gb/s,M.ATX M/B HK$ 650     
ADATA Premier DDR3 1600MHz 4GB Ram AD3U1600C4G11-R HK$ 180     
Cooler Master Silent Pro M2 420W 80Plus Bronze 火牛 HK$ 538     
<SSD>ADATA S510 120GB 2.5" SATA3 6Gb/s (Solid State Drive, SSD) 固態硬碟 HK$ 779     
WD Caviar Blue 5000AAKX 500GB SATA3/16MB HDD HK$ 489

Total: $3798