Half decent GPU for 60 Euro?

the psu and it says "rated: 250w, peak: 300w"

Ouch. That 6200 doesn't require much in the way of power, but with a PSU that low it's pushing it.

LilDomii, agree with you on where to start price-wise on the PSU's on that page, with the only ones I would consider on the first page would be the one's from Antec, the rest are pretty much junk (and wouldn't trust to power a light bulb). Stretch the ££ a bit further and I would look at any of the ones from OCZ.

One thing to consider in making an upgrade like this is the rest of the system. Unfortunately from looking at your current specs while video card makes sense, the sad reality is that for the most part the price of the card isn't much more than the whole system is worth. To give an idea a similar spec'ed system as yours over here goes for around $100 or less (let you do the conversion on that).

Another thing to consider if you do get a new card for it is if down the roaad you get a new computer, you won't be able to move the card to it.