I have had both and far prefer an undermount. The comments above about a top mount are correct and I also think an undermount looks more classy.

Tend to prefer the undermount sink for the look. It really is a personal thing though.

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Undermount can chip especially with heavy cast-iron cookware (Lecrueset etc.) but advantages far outweigh the overmount, which is unstable to prepare food , and seems to take up room on the bench.

I only specify an overmount sink for clients if the benchtop surface warrants one. The last time I did was because the client wanted a timber benchtop. I managed to find a beautiful black quartz composite sink that worked well and looked like a feature in the kitchen because it matched the colour of the cabinets. My usual go to sink is definitely undermount because of its aesthetic and practical advantages. Small chips can always be smoothed out if need be but really, there is no substitute for being careful!

Wuff if you constantly use heavy and large pots and pans, you are making a wise decision! Find an attractive minimalist and small profile edge drop in sink and you will have the best of both worlds! I have a butlers pantry with a second drop in sink so I wash heavy things in that rather than in my kitchen sink. Better safe than sorry!

I voted drop-in for one main reason. If ever, in the future, you wanted to replace the sink (like mine because my clever son splashed a metal-corroding chemical on it), there is no need to totally lift the benchtop.

prefer double deep drop in sinks with double drainers because i like to use the drainers for work surface but in my fantasy kitchen i would have all stainless steel benches with integrated sinks with drainers

I prefer the look of the under mount but feel would be more difficult to keep clean