The last missing part for my new computer just arrived!
Behold! The rare HD4770 card, from XFX:

Opening the outer box reveal plain stylish box, right what you would expect from XFX:

Opening the box a bit more reveals all the useless stuff such as installation guides and cables, but the main thing was there too, in a bright green box:

As a nice detail the box also had this in it:

And finally before putting the card in my computer, here it is in all its glory:

Photos or it didn't happen, right?
First test was running Audiosurf. Previously it could just run nicely on Normal graphics details. Now I could use Premium details and broadcast the gameplay with Xfire and still have a nice framerate. Without Xfire broadcast it was very smooth, the live video had some impact on the performance, you could see the lag, but it was still playable.