Hi Brenda: I have a commercial style faucet, although not a huge one. It's a Danze. I've been using it for 3 months now, and so far I like it. Takes a bit of getting used to, for sure. Especially having to put the faucet in that collar thing when you're done spraying. Because I chose a very large sink, I needed one with a long spout reach. That's the main reason I chose this faucet. It was very inexpensive, so if I end up not liking it, I wouldn't feel badly about replacing.
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Very good picture! Do you ever think you would miss having a separate fixed spigot at a lower level? I have seen some that offer both the fixed spigot and the tall spray faucet in one unit/

I actually looked at the Kraus, too. If this one doesn't work out for me, I might try that one. I haven't really missed having a lower fixed spigot. The spitot on the Danze is only 7.5 inches above the sink, so it's pretty low. The Moen (which I hate) in the laundry sits a good 2" higher. If that makes sense. I'm measuring from the top edge of the sink to the sprayer.

Here is a link that might be useful: Kraus KPF-1602

Realize this is an old post but here is a link to what we did.

http://ths.gardenweb.com/forums/load/kitchbath/msg0512143230887.html

Used a Krowne 17-109WL

We love it.