Not for a self contained unit, your thinking of the actual home heaters that plumb into the existing system I think.
Those have come a long way as well and I might pick one up next year or if a ac unit bites it this year.

^^^ this is a self contained one.
The important thing to remember for heat pumps is they don't work well if the outside temperature drops below about 40F (about 4C). I have a dual gas/heat pump system which gives pretty good results.