I was at Harbor Freight today. They had a pancake compressor and compressor with two tubes for the same price ($90). The compressor seemed to be the same, only the storage tank was different.
Why do they make two kinds, and why should I care?
I bought the pancake because it was a little lighter. I was a bit surprised to get it home and find it needed a regulator and a filter; the last compressor I bought came with those, so maybe it wasn't such a good price.