Installed this in my Macbook Pro (13" mid 2010 model) after my old hitachi drive failed. Works fine running OSX Lion. Everything loads very fast, though I don't feel it's much faster than my old 5400rpm drive, and it's definitely more noisy. You can't feel much vibration - no more than you would with a slower disk. It does make a noticeable amount of noise when the laptop is placed on a hard surface like a desk, but it isn't distracting or annoying. Sounds pretty quiet when it's on your lap and I'm sure a larger laptop would be quieter still.
In all, seems like a good drive, glad I got this one.