Hey Pucky... Check out this thread of mine screw the 270x... get the 280! not the 280x... just the R9 280 from MSI. you have 200 Euro's and thinking about the 270x, the 280 isn't that much more expensive and after doing a lot of digging.... I mean ALOT it's a great card. Watch this:
https://www.youtube.com/watch?v=O0G1GDxBwq4
and It's a bit of a long thread i created since last night, i posted to ask about a PSU but it went on and on and on leading to the talk about GPU's, if you wanna read it and see links with benchmarks and other peoples opinions, check it out. http://www.tomshardware.com/answers/id-2450441/power-supply-micro-atx-lower.html