Final decision making ... below two spec i choose : Dell Inspiron 545 Desktop (S210505MY) PROCESSOR Intel(R) Core(TM) 2 Quad Processor Q8200 (2.33GHz, 1333FSB, 4MB) OPERATING SYSTEM Preloaded Genuine Windows Vista(R) Home Premium 32 bit OEM Version edit WARRANTY & SERVICE 1 Yr Ltd Hardware Warranty, InHome Service after Remote Diagnosis edit MONITOR No Monitor (downgrade from S1909WFP) edit MEMORY 4GB (2X2GB) DDR2 800MHz SDRAM Memory HARD DRIVE 320GB SATA 3.0Gb/s Hard Drive with Native Command Queuing OPTICAL DRIVE 16X Max DVD-ROM Drive edit VIDEO CARD ATI(R) Radeon(TM) HD 4350 512MB DDR2 SOUND CARD Integrated high definition 7.1 channel audio for 538 without monitor. or second option : Dell Inspiron 545s Desktop (S210507MY) PROCESSOR Intel(R) Core(TM) 2 Duo Processor E7400 (2.80GHz, 1066MHz, 3MB) OPERATING SYSTEM Genuine Windows Vista(R) Home Basic 32 bit SP1 Edition (English) WARRANTY & SERVICE 1 Yr Ltd Hardware Warranty, InHome Service after Remote Diagnosis edit MONITOR Dell(TM) s2009wfp 20 " Widescreen Flat Panel Monitor MEMORY 3GB (3x 1GB) DDR2 800MHz SDRAM Memory edit HARD DRIVE 320GB SATA 3.0Gb/s Hard Drive with Native Command Queuing edit OPTICAL DRIVE 16X DVD+/-RW with Dual Layer Write Capabilities edit VIDEO CARD ATI(R) Radeon(TM) HD 4350 512MB DDR2 edit SOUND CARD Integrated high definition 7.1 channel audio for 569 with 20 inch monitor and E7400 for 640 with 20 inch and E8400 (3 GHz, 1333FSB, 6MB) need comment ...