Yes there are a few sets left, fronts were smaller than the rears, but you are right in saying the rears were 8x16" fronts were 7x16"
I "may" have a set for sale depends on how much you want to pay

What about the wheels that were on the RS16i datapost cars, same sizes, but different design, still split rims, centres were more like pepper pots, would still look
I am looking at buying a job lot of these very soon