I am shopping for one and cam across this, i have little to no knowledge of PCs, so here is what i have found,

Brand:
eCustomPC LLC
Memory:
2 GB
Operating System:
Not Included
Hard Drive Capacity:
250GB
Processor Type:
AMD FX-4130 Quad-Core
Video:
Radeon 3000 Graphics Adapter
Processor Speed:
4.2GHz

Or


Features & details
AMD FX-4300 Quad Core Processor 3.8GHz (4MB Cache)
8 GB DDR3 RAM
1024GB 7200rpm Hard Drive

No, it isn't.

The amount of RAM isn't enough and the Radeon 3000 graphics is pretty weak.

So it is probably just best to build my own using, say Raptor to config it?

Also any suggestions on good affordable places to get gaming PC custom, or not, aslong as they can play well, i dont need top of the line, just enough to play modded current games, well.

I'd recommend going to http://pcpartpicker.com/. Be sure to research heavily, too. Building a computer isn't just something you do overnight first time and get right with little to no research. You will be spending good money on this thing even if it is only 600 dollars, so please make the best of what you are getting. Do not skimp or gloss over the power supply, either. Too low of a wattage you can get from one and you could end up with a roasting computer.

http://pcpartpicker.com/p/8rCXRB

Notice how even the power supply was given a large amount of thought? Also, please be careful with what brands you are getting. Make sure the brand has a good reputation. It doesn't have to be renowned, but please be aware some brands have gotten less good as time goes on and some just aren't as good as they once were. It may be tedious to do so much research, but even a 600 dollar computer is a meaty investment and should be treated with care even during the planning stage.

http://www.build-gaming-computers.com/computer-power-supply.html

I'd say 500W is good enough if you are just doing the typical gaming, but if you are wanting heavier gaming, please go above that. At least something in the 700W range will be best for higher end stuff.

2 gigs of ram is not enough at all. RAM isn't ultra expensive, so please have at least 4 gigs. 8 gigs would be best for a gaming PC as a just in case measure if you want to make sure you get a steady stream of random memory going through those things. Mods might make those 8 gigs a requirement, too.

Please read about the precautions to take when building a computer.

My build isn't the final one, most likely. I am still planning and wondering if mine is still relevant enough to keep up with the current gen. Mine was first planned with last gen in mind, but then the PS4 and Xbox One came out.

Your motherboard is where all the action goes as far as compatibility is concerned. Please be aware of that. PC Part Picker, luckily, has a compatibility setting where you can only choose parts that will be compatible. Please use that.

The first one is not a good idea, as it have only 2GB of Ram, and the integrated Graphics adapter is not worth the trouble, if you want to play modded games.

The second choice is better, as you could buy another faster GPU, but obviously you need a new PSU as well.

Except that the FX-4300 is not the fastest CPU around. It's on par with an i3 processor (more or less)

You could just build one youself, or buy another pre-build with better specs, as the above you mentioned.

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What's your budget actually ???