I didn't watch the 9th or 10th seasons, except for maybe a couple here or there, in the original run. I do remember not liking Kay though. Having gone back and watched them she has grown on me a bit too. I still miss Miles, but it I don't hate her. She actually has some funny/weird asides. I think they also toned down the animosity or rivalry between Kay and Murphy in the 10th season, it's pretty much non-existent during the cancer storyline. Which I also have to add I think was handled really well overall, and led to some great moments between the characters ("Ectomy, Schmectomy," "Operation Murphy Brown," "Florence Night-en Corky," and "Waiting to Inhale," all come to mind). I actively avoided the cancer storyline when it was on originally because I was a young teen and my own mother was going through breast cancer treatment literally that same year and I had just lost my grandmother to it early that year, so the last thing I wanted to watch was someone else going through it. Seeing it as an adult has been interesting and overall I think they were pretty accurate with their depiction.