Here is my computah,
Graphics card: AMD Radeon HD 5450
Logitech mouse and keyboard (they are amazing, check them out)
Headphones:

(also logitech, i must be a fanboy)
Processor's : 4 Intel Core i5 CPU @ 3.20GHz
Hard disk's: Anything lad, try keeping it high on (C:)
And ETC,
Your price should be something about, 100 or 500 euro.