I've used a KA stand mixer since the first day I was big enough to help my mom (so well over 40 years ago.) I currently have the 6qt model and, for the most part, enjoy it. I use it a lot for bread -- depending on my free time and our need, I may make 4 or 5 loaves in one week. We often have pizza night and it gets used for that. It's great for whipping cream or beating eggs to the stiff peak stage.
We have the food grinder attachment and have used it to make meatloaf, breakfast sausage and gyoza filling. We also have the juicer attachment, but that only gets used when we have a ton of fruit to squeeze; for instance, when we're having a party and need a lot of punch.
A few warnings, though: The standard gears are not very strong. I stripped mine kneading bread and I'm certain that it wasn't overloaded. It was a warranty repair and the replacements seem to be working fine. If you do a web search, I think you'll find that this is a known problem. The other issue we have is that there is something loose in the switch and it won't always start. Wiggling the switch or giving the body a firm whack clears the issue. It's likely that flour gets into the slider switch causing the problem. Finally, the food grinder is plastic and is showing some cracks -- the original one that my mom had was metal and held up better. Ours still works, but it's not going to make the 50 years that the previous one did.
There have been days when I wished that we had a 2nd bowl. I'm also looking into getting the pasta press and/or pasta cutters. They used to make a pasta press that was just some extra plates for the food grinder, but have discontinued that.
Despite those issues, I love it. Mrs.k2002 likes it too, which is big considering that she's a Cuisinart food processor person. We have both and will switch back and forth depending on what we are doing.