Just chiming in. How much sleep is she getting in 24hrs? As a mama of a lsn kid I would advise starting the anp drop. We started ours (through nap refusal) at 24 months and were done completey with naps by 30 months, so she doesn't seem young at all to me. Just a different perspective for you.
My DS did not take kindly to capped naps so we gradually increased the number of NND from once a week to every day - just follwed his lead really. We put a DVD on after lunch and if he was tired he would sleep, and if not at least he was sat down!