Used 1.5 year gaming pc, plz suggest buy/not?

[smrutiranjan51]

Details specifications are as follows

1.Asus maximus vii ranger new 5th generation z97 mother board
2.core i7 4770 processor,
3.asus direct cu II r9 290x 4gb ddr5 graphics card
4.carsair 8gb ram,
5.artis 750w smps,
6.2tb segate hard drive
7.carsair tower steel body cabinet



He's asking for 780

 

[velocityg4]

What country? For the US the price is high. It is worth about $600 in the US. More if it includes a valid licensed copy of Windows.