What is a good beginners gaming PC? I only can spend about $500?

I do a lot of minecraft, gmod, portal, and octodad.

What is a good graphics card?

I was wondering what would be a good graphics card to go with this build:
AMD A10-5800K 3.8GHz Quad-Core Unlocked APU/Gigabyte GA-F2A55M-DS2 mATX MB/8GB DDR3 1600 Patriot Viper Xtreme Memory/1TB WD Blue HDD/LG 24X DVDRW/TT V4 Black Mid Tower case w/500W PSU Barebones
i don't have a whole lot of money but if you can tell me one that is not too expensive but can still play games like assassins creed 4 battlefield minecraft sims 3 at medium setting if not high thank you

Looking for a good Gaming PC?

I'm looking for a good gaming PC that will run games such as Minecraft, Dayz, and TF2. (If I get DayZ I will wait for it to come out of Alpha so it doesn't lag as bad.) The price range I'm looking at is 400-600. No more than 600.

Do Minecraft Universe and LogDotZip have a ship name?

After watching attack of the B team I started shipping Tyler and Jason and I was wondering if they already had a ship name and/or fanfics because I would love to read some

Can intel hd graphics 2500 run minecraft good?

I found a the processors information in a link someone gave me and it said to have intel hd 2500 graphics so i was womdering will this run minecraft good?

Who are your favorite Minecraft YouTubers?

Title says it all. You may even list down or rank them.

Good video game screen recorder?

I'm looking into making video game videos on YouTube such as Minecraft and I'm looking for a reliable and easy to operate game recorder, any suggestions?

What are your top five video games of all time?

What are your top five video games of all time?

Which of these processors are the best in order?

I'm buying a cheap laptop and I found several processors but i'm not very techy and i don't really know which is better. I wanna do mild gaming like Minecraft or War thunder so keep that in mind. These are the processors I found and there not in any order.

AMD

A6
E2
A4
E-Series

Intel

Celeron
i3
Pentium
i5

Please list these in order from worst to best.

Would a gaming mouse and keyboard be worth it?

I decided I was getting a gaming pc but I would mostly just play minecraft so would a gaming mouse and keyboard be worth it also what would be a good gaming if I mostly play minecraft I want to have a stable fps because I can only average a 5 fps on my current pc