Choosing a kitchen faucet is always a daunting task. There are so many different models out there that you probably don’t know where to begin. The thing is that it really doesnt matter exactly what faucet you choose unless you have very particular taste. The best thing to to is to make sure that you do your research and get one that is good for your needs.
There are many different types that include pulldown, pullout, motion sensor etc like this koher model. I would recommend that one for just about everyone and it has served me very well. If you are on a budget then there are quite a lot of other ones that will serve you very well. Just check out that site in the link and you will surely find a good kitchen faucet for your needs.
As for what to do with the installation you just need to hire a plumber. Refer to my article about plumbing companies and how not to get scammed. Better safe than sorry.