I bought this on Amazon and installed it myself a few weeks ago.  As many of the reviewers pointed out, the installation was pretty easy...getting the old faucet out can be the tricky part.  It looks great and I love the motion detector feature and the fact that the sprayer head also turns off the water when replaced.  The only thing I find a little odd is the small notch on the sprayer head that is supposed to fit into the faucet that doesn't automatically line up and fit tightly, so I'm not really sure of it's purpose...seems that it could be done away with and the sprayer head would fit flush without having to adjust.