Best new monitor

[RARRAF]

I need a new monitor been looking at freesync but not sure what is the best got an MSI R9 280X and a 20" monitor would like something bigger anything under £500 preferably for playing games thanks for your suggestions

 

[MagicPants]

I'd look at the Asus MG279Q it's a 27" ips freesync panel that runs at 144 hz.