I bought my Rossi .357 about 8 or 9 years ago (new). I've never seen another one, new or used, on a GS rack nor at any gunshow. They are slimmer and a little lighter than an H&R.
Sorry, it's too much fun to consider selling!
Have you looked into one of the Talo Trapper models? They come with a short barrel on the H&R frame. Not sure who sells them, but someone here or on the H&R forum can surely point you in the right direction.