First things that I noticed: metal T fitting and metal line. This may not mean much to most, but to me it means the difference between cheap and quality. It also means this company pays attention to the details. Even the tiny roll of Teflon tape included in the kit, I pretty much appreciated.
It does the job, like I expected it to, The knob has a nice audible click when you turn it off. A good quality feel to it. Again, one of those things that I notice and appreciate. 
Quite honestly, I didn’t even know there was such a thing as a “front” sprayer. Then again, I am male. It doesn’t feel any different from the “rear” sprayer. I’m guessing the female users out there will have a better day about it.