I ordered a gorgeous pair of black heels, and they just arrived today. They were comfortable for all of 5 minutes before the balls of my feet started to ache. I've got some Dr. Scholl's inserts in them now, but they aren't cushy enough to offset a 3 inch heel-- any suggestions for other brands? I have to stand for stretches of 3+ hours with my job... did I mention they are really pretty shoes?