What computer is better?

HP - Pavilion Elite Desktop # AMD Phenom™ II 945* quad-core processor True multicore processing for extreme multitasking performance. Cool'n'Quiet™ 3.0 and CoolCore™ technologies and Dual Dynamic Power Management™ for efficient energy usage. # Direct Connect Architecture Delivers overall system... show more HP - Pavilion Elite Desktop
# AMD Phenom™ II 945* quad-core processor
True multicore processing for extreme multitasking performance. Cool'n'Quiet™ 3.0 and CoolCore™ technologies and Dual Dynamic Power Management™ for efficient energy usage.
# Direct Connect Architecture
Delivers overall system performance. HyperTransport™ technology, AMD Balanced Smart Cache and AMD Wide Floating Point Accelerator for quick access times and improved performance.
# AMD Memory Optimizer Technology
For multithreaded software performance, and AMD Virtualization with Rapid Virtualization Indexing to help virtualization software run securely and efficiently.
# 8GB PC3-10600 DDR3 SDRAM
For multitasking power, expandable to 16GB.
# Multiformat DVD±RW/CD-RW drive with double-layer support
Records up to 8.5GB of data or 4 hours of video using compatible DVD+R DL and DVD-R DL media. Supports LightScribe direct-disc labels using compatible LightScribe media.
# 2MB L2 and 6MB shared L3 cache memory
For efficient system processing.
# 1TB Serial ATA hard drive
Offers spacious storage and fast read/write times.
# NVIDIA GeForce GT220 graphics
Feature 1GB dedicated video memory. Supports Microsoft DirectX 10. HDMI output. High-definition audio with up to 7.1-channel surround sound support.
# Built-in TV tuner and personal video recorder
Allow you to watch, pause, rewind and record live TV.
# 15-in-1 media reader
Supports SmartMedia, xD-Picture Card, Secure Digital, miniSD, CompactFlash I, CompactFlash II, Microdrive, Memory Stick, Memory Stick PRO, Memory Stick Duo and Memory Stick PRO Duo formats.
# Also supports MultiMediaCard, Reduced-Size MultiMediaCard, MultiMediaCard Mobile and MultiMediaCard Plus formats.
# IEEE 1394 (FireWire) interface and 7 high-speed USB 2.0 ports
For fast digital data transfer and easy peripheral connectivity.
# Built-in wireless LAN (802.11a/b/g/n)
To wirelessly connect to the Internet.
# Built-in 10/100/1000Base-T Ethernet LAN
For an easy wired connection to the Web.
# Microsoft Windows 7 Home Premium Edition 64-bit operating system preinstalled
Provides a stable computing platform.
# Software package included
With HP MediaSmart Software Suite, Cyberlink DVD Suite Deluxe, Microsoft Works 9 and more. 60-day trial of Microsoft Office also included.
# AMD, AMD Arrow logo, AMD Phenom, Cool'n'Quiet, HyperTransport and combinations thereof are trademarks of Advanced Micro Devices, Inc.


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Alienware - Aurora Desktop


# Intel® Core™ i7-920 processor
Features an 8MB cache and 2.66GHz processor speed.
# The all new 2010 Intel® Core™ i7 processor
Features 8-way processing for ultimate smart performance. Intel® Turbo Boost Technology automatically speeds up your processor when your PC needs extra performance.
# 9GB DDR3 SDRAM
For multitasking power, expandable to 24GB.
# Multiformat DVD±RW/CD-RW drive with double-layer support
Records up to 8.5GB of data or 4 hours of video using compatible DVD+R DL media; also supports DVD-RAM.
# 1TB Serial ATA II hard drive (7200 rpm)
Offers spacious storage and fast read/write times.
# NVIDIA GeForce GTX260 graphics
Features 1792MB of dedicated video memory for lush images. High-definition 7.1-channel audio support.
# Also supports Memory Stick Duo, Memory Stick PRO, Memory Stick PRO Duo, Memory Stick Micro, CompactFlash I/II, Smart Media, xD-Picture Card and Microdrive formats.
# 2 IEEE 1394 (FireWire) interfaces and 8 high-speed USB 2.0 ports
For fast digital data transfer and easy peripheral connectivity.
# Built-in 10/100/1000 Ethernet LAN
For an easy wired Web connection.
# Microsoft Windows 7 Home Premium Edition 64-bit operating system preinstalled
Provides a stable platform for word processing, Web navigation, gaming, media storage and more.
# Software package included
With Alienware Command Center and more.
Update: How much money can I save???
And can I build one that is new and similar or better then the alienware and still save money?
7 answers 7