A couple of months ago one of the Forum members placed two of his model 29-2 4" barrel guns for sale in the classified section. One was Nickel and one (the one I bought) was blue. Both offered for $800.00 with all documents, tools and presentation cases in like new condition.
So they are out there, just have to keep looking. Here is a photo of the one I bought:
As you said, excellent balance and very accurate. And they really bark! Good luck in your search, Bob