I actually prefer trousers with the high waist like a proper traditional kilt, IF I can find them. Usually only in military uniform pants from pre 1960's, or in dress pants. The rise is not high enough in most pants to get to my natural waist, which sort of irks me, actually. It was not always so. Get out your old Bogie movies and check out the trousers in them. Everyone wore their pants at the natural waist then, even with blue jeans. It is only since the 1960's that things have fallen down to the hip bone for the waist band.

When I was 26 and had a 30" waist, jeans around my hips were fine. Now I'm 46, and have a bit more belly to deal with (though I am not fat by most american's standards) it does not feel comfortable at all to have what belly I do have hanging over the top of the waistband, whether it is a a kilt or trousers makes no difference.

I am firmly in the camp of "high at your natural waist" is the way to wear the kilt. Of course others do have different opinions, obviously.