Hi, Welcome to Tom's!
I suggest you refer to this thread:
http://www.tomshardware.com/forum/353572-31-build-upgrade-advice
Answers to these questions will help us help you!
Approximate Purchase Date: e.g.: this week (the closer the better)
Budget Range: £500 total
System Usage from Most to Least Important: Gaming and making YouTube videos
Are you buying a monitor: Yes
Parts to Upgrade: I want all new parts so I wont be upgrading?
Do you need to buy OS: No
Preferred Website(s) for Parts: Any which is very trusted
Location: I am from the North West of England.
Parts Preferences: Any to give me ultra setting on Minecraft.
Overclocking: Not sure what this is
SLI or Crossfire: Not sure what this is
Your Monitor Resolution: Full HD 1080p
Additional Comments: It would be nice if it was quiet because it would help when making videos. I also just want it to handle recording of games while playing them.
And Most Importantly, Why Are You Upgrading: I currently can't game on my current laptop and it is starting to stress me as I want to go hard on PC gaming.