I'm glad you asked this April, because I loved reading everyone's responses!
I want skirts (I always tuck tops into skirts) to hit exactly at my natural waist, which is level with my belly button and the smallest part of me, which makes belting easy at least. No migrating belts for me! However, it's quite challenging to find skirts that do so and are also knee length (although I'm only 5'3"), as most skirts are designed to sit lower these days. I'm long waisted, so despite my shortness, waist seams on dresses are almost always higher than my natural waist. This used to drive me nuts, since it meant the waist line hit at my wider rib cage, instead of the smallest part of me, but nowadays I don't care as much about always showing off my waist, so I've relaxed a bit there. I'd still be thrilled to find dresses that had the waist seam at my belly button though!
I prefer high rise trousers too, because I have a long rise: even a 10" rise on me hits below my belly button. In the low rise years, I constantly struggled to keep my midsection completely covered, as the long waist/torso & long rise meant shirts were often too short too. *shudder* Luckily, if I accidentally flashed some skin it was my back rather than anything lower down. In my ideal world, all my trousers would suddenly transform themselves into 10 or 11" rises in the front, with longer rises in the back. I'm beginning to think I can do an 9" mid rise (I don't know how 1" can make that much of a difference, but it does), as long as the back rise is more generous: 2 of my 9" rise trousers don't have enough height in the back, which makes me feel insecure and exposed as soon as I do anything but stand/walk. I never fully tuck into trousers, because I don't like the proportion that results (although I'm happy wearing short tops with high rises; it's something about tucking a bit below my natural waist that just looks odd & disguises my curves), but lately I'm trying a semituck thanks to YLF influence, and a 9" seems about perfect for that. Honestly, most of the trousers that I try on that have a high enough rise for me are probably from the 80s or 90s (I rely on thrifting); whenever I look at retail trousers, I'm always disappointed in the rise measurements.
Donna, if you like skinnies, look at the BDG high rises from Urban Outfitters. I also have a long waist and long rise, and their jeans fit like they were made for me.