I have seen some people go out and purchase a Video card for over $400.00. But you can buy a nice video card for around $200-$400 depending what you want. This is key when building any computer you want to use for game playing first decide on the video card or type and price of video card and go from there.
There are lots of guides for building computers on the Internet. A nice place to investigate this is at:
www.anandtech.com Look for the guides!
They have some guides that are constantly being updated, and they also have some tools for price guides as well.
Another good site I came accross is
www.pcmech.com
They have a CD they sell that is like an on-line guide to building a PC and a lot of good people, some of which build computers as a business, hang out there.
Another good source for information is
www.newegg.com
There are other good stores on the Internet but newegg has a lot of pictures of their items and they also have user feedback which I think is an added plus. You can make a list of items you might need and see what it would take to purchase those items to get an idea of prices. I have purchased items from different places like
www.zipzoomfly.com and even from
www.amazon.com.
One thing that I do know about building computers is the video card is more important than the speed of the processor; Both are important, but the video card is a little more important. Some people recommend that the Processor and the Video Card should be of the same quality or near the same price. It may not make sense to buy a $250 Processor and a $40.00 low end video card like you see on most computers sold today.
One important thing is the Case. Computers lately tend to heat up pretty quickly and it is important to have a case that can be cooled and is also quiet. I like the newer cases with 120mm Fans. Smaller fans have to spin at higher rpm's and they make more noise and more vibration. There is something to be said for peace and quiet. So if you use a used case make sure it is cool enough some of these newer P4's and even the older ones have a tendency to run a little hotter.
Then there is the AMD VS INTEL war . . . .
Put together a parts list or copy someone elses price list
CASE:
POWER SUPPLY:
MB:
CPU:
CDROM/CDRW:
DVDROM/DVDRW:
HARD DRIVE/S:
FLOPPY:
SOUND CARD:
VIDEO CARD:
ETHERNET:
MODEM:
SPEAKERS:
MONITOR:
OPERATING SYSTEM:
PRINTER:
SCANNER:
MOUSE:
KEYBOARD:
FLASH DRIVE:
Keep in mind that the Processor has a certain socket type and the motherboard has to have the same socket type! It also has to be rated at the same FSB Speed.
I recommend sticking to the most common brands and not buying Cheap. For motherboard I like Asus. But for Intel an Intel Motherboard would be fine. So would a motherboard from Abit. Everyone has their favorite hardware. I wouldnt buy anything like PC CHIPS, or some of the other low-end hardware manufacturers. That is why I suggest you run the finished list past the forum members with your prices.
Feel free to go to DELL and print out their list of components and try to determine if you are getting a better deal. I encourage you to go to a few custom computer sites also. Take a look at
www.adamant.com Average Reviews
www.falcon-nw.com Premium Venor with Good Reviews
www.alienware.com Premium Vendor with Good Reviews
Look out for shipping charges at Internet stores.
Not all sites have good return policies.
You might look for Reseller ratings for online stores.