想买台Desktop，不懂电脑，请专家们指教， 谢谢！

标题：想买台Desktop，不懂电脑，请专家们指教， 谢谢！

请帮忙看看，这个配置怎么样？划算不？ Costco的。

$499.99 after $100 OFF
HP p6210t Desktop & All In One Printer Bundle
E5300 2.6GHz
Windows 7 Home Premium
Lightscribe 16x DVD+/-R/RW
5.1 Channel Audio

Processor & Memory:

Pentium Dual-Core Processor E5300 2.6GHz
2MB L2 cache
800MHz Front Side Bus
4GB DDR2-800MHz SDRAM memory (2 Dimms)
Drives:

320GB (7,200RPM) SATA 3Gb/s hard drive
LightScribe 16x max DVD±R/RW SuperMulti drive
Graphics & Video:

HP 2009m Widescreen LCD Monitor, with Integrated Speakers
Integrated Graphics
Communications:

Integrated 10/100 Ethernet LAN
Audio:

Integrated 5.1 channel capable sound w/ front audio ports
Keyboard & Mouse:

HP Multimedia Keyboard
HP Optical Mouse
Expandability (Total Slots):

Total memory slots: 2 DIMMS
1x PCIe x16
2x PCIe x1
1x PCI
Ports:

Front headphone and mic ports
6 x USB 2.0 ports (2 Front, 4 Back)
Operating System:

Microsoft® Windows 7 Home Premium (64-bit)
Additional Software:

Microsoft® Works 9.0
Additional Information:

CPU Dimensions: 16.85" L x 6.97" W x 15.32" H
Power Supply: 250W
[Model p6210t]