I know undermount sinks are all the rage, but personally I prefer drop-in because with an undermount there's that little groove all the way around just under the counter. Take a look at the next one you see and I'll bet it's ICKY in there. Impossible to clean all the way in that crevice, and it grosses me out. My husband thinks I'm nuts but for our upcoming kitchen I really want a good old double basin drop-in sink with a built-in drainboard.

Is your Artic White tub in acrylic? If that's the case, nothing in vitreous china will match exactly. Two different materials. Here is a discussion on the Houzz forum. http://ths.gardenweb.com/discussions/3655916/american-standard-white-vs-arctic-white

They are nice to look at and installing them isn't the issue....look under that rim after a year (out of sight, out of mind) and little or no cleaning.....what do those counter tops cost?....washing cast iron and accidentally chipping the edge....I don't believe that's repairable? Just saying.....I used to do professional cleaning and the first time I saw those sinks, my first thought was a commode......Sorry! I know they're the thing....I have seen some kitchen sinks that are really sharp looking that come over the counter...was hoping to find the manufacturer.....or someone could design something sharp and functional....I believe what I saw was ceramic.

When it comes to SS sinks, you would want your sink to be 16 gauge SS although 18 gauge is also considered to be very good. Another important factor you want SS to be 300 series, or to have about 18%chromium and 8% nickel for corrosion and stain resistance. Bring a magnet with you when shopping for sinks, if it holds magnet the sink is garbage. One more important factor is the undercoating, knock on the inside of the sink and if it got that metal sound like a drum, stay away from it. You want "rubbery" feel undercoatings with pads, they help to muffle the sound of water and everything else you put inside there. As everything else goes get a good quality drain from a plumbing supply, most will last you for ages. That's pretty much there is to know. I'm sure others will add if I miss anything. Good luck