Not sure if this is your first baby or not, but I'll throw out our experiences. We re-purposed a dresser from a bedroom set we already had and planned to keep since it had been my wife's bedroom furniture from back when it was still made with "real" wood. We started out with a changing pad in the center of the top that secured to the back of the dresser with straps and it had a belt on top to hold the baby. Diapers, powder, wipes,.....etc were in top drawers. It very quickly was evident when changings became more frequent that it was cumbersome to use that method. Opening a drawer(s) and reaching/looking down for items while holding and trying to watch a sometimes moving baby was a major pain, especially if you were half asleep. We quickly decided there had to be a better way. The dresser was wide enough that we could move the pad off center which gave us room to fit a wooden tray at the head end of the dresser. The tray had 3 or 4 removable boxes with lids and removing 2 provided enough room to place the wipe container, one without the lid held the powder container while the other lidded one held cream tubes, q-tips....etc. The diapers were placed in a hamper that my mom sewed for us which had cardboard, later 1/4" ply, inserted into the bottom and an opening in the top that a cloths hanger fit into. We hung this from a series of shaker style peg boards that ran the length of the wall. It was much easier to reach things on the same level or slightly above the dresser than always having to reach and look down. Just some things to think about as you continue your planning.
HTH,
B.