Ok, Thanks for the advise. Yes, I consider MSFN is one of the best places where I can get advises when it comes to paying moey for buying something, and this is the reason I was waiting for an advise. I am just want to buy another new computer and I've 1000 usd and want to know your advise to buy the exactly the same I've just bought or to change or replace something with another? Ok, Thanks for the advise. Finally, sorry if I was not polite enough with any one of you as you are all really nice and helpful.