I am currently debating between 2 potential builds from dell. I am looking at the following builds. I intend to be doing gaming primarily. I have a radeon HD 4850 kicking around at home I intend to use to replace the default ones in these systems. I also have an additional 500GB HDD and blu-ray drive I would like to install. My question is, which is better for gaming, and is the PSU likely going to be able to support at least the upgraded graphics card?
XPS Studio 8000 - $800
i5-750 processor
4gb RAM 1066mhz
7.1 Audio
8 USB 2.0 ports
Windows 7 Home Premium 64-bit
500gb HDD
Radeon HD 4350
16x burner
HDMI out
Vostro 430 - $830
i5-750 Processor
8gb RAM 1333mhz
5.1 Audio
10 USB 2.0 ports
Windows 7 Home Premium 64-bit
500gb HDD
Radeon HD 4350
16x burner
Dual monitor support
XPS Studio 8000 - $800
i5-750 processor
4gb RAM 1066mhz
7.1 Audio
8 USB 2.0 ports
Windows 7 Home Premium 64-bit
500gb HDD
Radeon HD 4350
16x burner
HDMI out
Vostro 430 - $830
i5-750 Processor
8gb RAM 1333mhz
5.1 Audio
10 USB 2.0 ports
Windows 7 Home Premium 64-bit
500gb HDD
Radeon HD 4350
16x burner
Dual monitor support