Getting a new pc for GW2 budget 500 euroes.

HI there I m thinking about purchasing this game since i m sick of all of these generic F2P retarted games, however I think I will need an upgrade, so please send me your suggestions. Expecialy about CPU and GPU I was thiking about gettin an http://www.alza.cz/EN/intel-pentium-g860-d250789.htm cpu and this GPU http://www.alza.cz/sapphire-hd-6670-d256831.htm.

I dont need all maxed out, but I want to have a good feel in huge battles. Any suggestion will help thank you ;)