Yes, everything is fine except for the 8GB too much RAM and the unnecessary i7.
Powerful video card, motherboard has good reviews, very high quality case and power supply, you could probably do better on the hard drive, but I doubt you'd notice. Traditional hard drives, much like optical drives have pretty much reached their peak in performance, (since there is inherent mechanical limitations as to how fast they can spin)
Even so, this one should "technically" be faster, it has more cache and its SATA III as opposed to SATA II like the Samsung. http://www.newegg.com/Product/Product.aspx?Item=N82E16822148840