I have 2 1/3 sets of CH dies. One set is for the 44-40 and the rest are for a 40-65. As far as quality and finish goes they are every bit as nice as anyone elses on the inside. The outside is a bit plane but that really doesn't effect anything. My 40-65 chanber is a bit tighter than the full length die, but I came across a fl die that had been cut off and that reduced the base of the brass enough to chamber easily. I honestly don't think its a die issue, more of a chamber reamer issue. Once they fit the chamber I have had no problems loading ammunition.
The 44-40 dies, they seem to be set up for jacketed bullets as they don't flair the case mouth. I am posative that a phone call and maybe a few$$ for an expander will solve that little issue. Again, the dies work just fine as far as sizing and seating. The flair is a pretty easy work around and I don't load all that many 44-40's. 
Nice thing about CH is they offer a huge variety of dies and they seem to be pretty good to deal with. 
Sam

I have 18 sets of CH/4D dies. Some in some very odd calibres. Have never had any problems with their quality. Equal to any of the other makers & very much easier to get oddball calibres.
Harry

I've had some since the 1960's and still in use.

C&H aren't the only dies I own, but they're certainly my favorite for several reasons. Their pricing is great, especially on oddball cartridges. They are wonderful to deal with, and often have weird dies in stock. And they usually ship very quickly if they do have dies in stock.

I've recently acquired my first set in 8x48R, no one else offered them.....

Sad ending indeed. 

When I acquired my 30-3O Wesson Ballard I searched high and low for a set of dies that C-H made.  They showed hyenas unavailable. I finally gave up and called to back order a set. The very nice lady who answered the phone said that she thought she saw a set in the back and sure enough found it and sent it my way ASAP. 

My next-to-last order was for 8x60R Kropatschek.  Whoever I spoke to on the phone was knowledgeable, asked me to check that I didn't need 8x56R Kropatschek.  They had both in stock.

My last order was for 8x50R Siamese, the early version.  That was in stock also.   

I'm done playing with the oddballs.  All 3 of my elderly oddball-shooting companions died.  Very few of us left.