Comparison of 26 best gaming computers ($501 to $700), March 2011

This is the first comparison of best gaming computers. There are total of 26 cheap gaming desktops in this comparison chart, priced from $501 to $700. You can see that there is wide range of computers for every taste. Some have a powerful processor and weak graphics card, although some have very balanced specs. There are seven columns in this chart: model name, price, graphics card, processor, RAM, HDD and operating system. They are also colored, warmer color means weaker components. Green is excellent, yellow is OK and red is very bad. Most computers come with 4GB of RAM which is plenty for normal use. Some computers doesn't have an operating system or just have a 32-bit Windows that doesn't support over 4GB of RAM.

iBUYPOWER Gamer Power AMD AM550D3 - nice all-around computer, although there is confusing info in technical details (about video card and CPU).

Designs Plus PC - perfect gaming computer with very powerful AMD HD6850 and 64GB SSD. Unfortunately, it doesn't have an operating system.

Titanium Gamer AMTI9042 - fast 3.2GHz quad-core processor, average video card.

iBUYPOWER Gamer Power A933SLC Liquid Cooling - desktop with new Sandy Bridge i3 dual-core processor and NVIDIA GT 430.

CybertronPC X-Sniper SIAN11202BUBBL - decent PC without operating system.

Titanium Gamer AM6022 - great budget gaming computer with lots of RAM.

Titanium Gamer AMTI9092 - dual-core CPU, 8GB RAM, average graphics card.

Titanium Gamer AM6020 - gaming PC with nice graphics card and 64-bit Windows 7.

CybertronPC X-Plorer2 4210ABBL - no O/S, below average video card, lots of RAM.

WidowPC WGMI-1NG721 - nothing good, no operating system.

iBuyPower Gaming PC (941TE) - fast dual-core Intel i3, not so good graphics card.

AMD Radeon HD 6850 COD-BlackOps Pre-Assembled PC - good video card, no OS

CybertronPC X-Sniper SINN4120BUBUP - bad graphics card, below average specs.

iBUYPOWER Gamer Power 918I Gaming PC - fast dual-core, weak graphics card.

WidowPC WGMA-1A7800 - outdated computer, inadequate graphics card, no O/S.

CybertronPC X-Cruiser 2 CANN4120RBP - below average video card, 32bit Windows.

CybertronPC X-Cruiser2 CAAN1120UBQ - very weak graphics card, small hard drive.

iBUYPOWER Gamer Power A922i - fast dual-core processor but integrated video card

CybertronPC X-CRUISER2 GMCINN4120S - OK computer with below average specs.

Titanium Gamer AMTI9020 - everything good except the graphics card.

iBuyPower Gaming PC (930TE) - good dual-core system with weak video card.

iBUYPOWER Gamer Power AMD AM567D3 - decent gaming computer with low price.
CybertronPC X-Sniper GMSAAN4120BR - very slow video card, 32-bit Windows.

CybertronPC Spartan TGM4220A Gaming PC - low-end graphics card, tri-core CPU.
CybertronPC X-Cruiser 2 CANN4120RBL - below average computer without an O/S.

Some links for further research:
ATI Radeon HD 6850 Review
Nvidia GeForce GTS 450 Review
ATI Radeon HD 5450 Review
Performance summary of some video cards 
Best Graphics Cards For the Money: March 2011 
Best Gaming CPUs For The Money: February 2011
AnandTech CPU comparisons with benchmarks