Hey there Kotton,
Building your own system is going to be the best option here. You'll get a lot more bang for your buck. You will want to use Newegg as they're a really reputable company that offers excellent customer service and excellent utilities.
You can be cheap with a few items. You can re-use your Windows Install instead of buying a new one. You can re-use or buy cheap for DVD/CD Player/Burner. You can get a cheap case and still get one that looks good; just be sure it offers a lot of ventilation. You do not need a sound card as all Mobos have a good one built in (unless you're an Audio Nut then don't bother). Your Mobo itself is relatively minor too, get a good company that has the right compatibility with the other parts you want... don't building your PC from the Mobo, find the Mobo that works with the pieces you are buying.
Your major concerns are going to be your Graphics Card, your RAM, and your Hard Drive. Next you have your CPU and PSU. Then the Mobo, CD/DVD Player/Burner, Case, Etc.
WoW Recommends you have: 256 MB NVIDIA® GeForce® 8600 or ATI Radeonâ„¢ HD 2600 or better
Doing a quick search I found this:
http://www.tankspot.com/showthread.php?68247-Ultra-setting-hardware-requirements Specifically he has this Graphics Card: 1 x Sapphire HD 5770 1GB GDDR5 Dual DVI HDMI DisplayPort HDCP PCI-E Graphics Card £113.32
Should be easy to find a card with those specs or better for fairly cheap. Keep in mind that the last digits of the card are most important. An 8600 is better than a 9300. A quick search online for "Compare 5770 to ____" should get you some good info.
Your Ram, take a look at how well it works together. Get 2 sticks when possible, don't go with odd numbers. If you plan to run x32 Operating system only buy 4Gigs of RAM; if you want to go with x64 you can get 8Gigs. Likely won't need more than 4 though.
Your Hard drive is going to affect how fast you read and write. Get a 10,000 RPM Drive that's 250 Gigs over a 5,200 RPM Drive that's 1TB, and get a secondary drive for your misc files. You want to keep your main drive at least half empty and only have things you use often on the drive.
Finally, for your Power Supply, you want to get a little more than what you actually need. Newegg has a nice tool that will tell you how powerful it needs to be, get a step above it and you should be more than handled. Keep in mind this is the area of the PC that expires most often, so while it's not super important for how well your PC performs to get stuff done, don't skimp on the price as it can fry the whole box if it goes up in smoke.
Set yourself a Pricetag, build your first PC, then double the supplies and get cracking. Build it yourself (Excellent way to Bond with Son and teach him something [or learn something yourself]) and RTFM or die.
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Vagina Purse: 'A daily blog about what I find inside me' ~Ticky
