First of all let me say, I think that breeding Shetlands to Miniatures is a great idea, and could really help the miniature breed. At the same time I can understand some of what the mini people are thinking when they see Shetlands showing against minis. One thing is that the weanlings and yearling Shetlands that are shown at nationals are often very young, therefore they are much more delicate and most likely are going to not even fit into the height limits later on. The classes have height limits to try and estimate how tall the horses will be when they mature, to prevent horses that are going to end up 40" tall from being able to show. But these estimations are based on the growing patterns assuming the parents where under 38", they weren't based on the parents being over 38".
Another issue many have is that many people feel that our goal should be to breed for the smallest most perfect horse, and that breeding with horses that are so much taller is unnecessary. On top of all this, some people just don't care for the look of many Shetlands, just as many Shetland people don't care for the look of many minis. Therefore deadfast mini people are understandably annoyed when all of a sudden, what they see as a whole different breed, a breed they may not care for, starts being what they have to breed to win.
I am not saying that I agree with any of this, but I can easily see how people could. I personally have mixed feelings. I feel that somehow the height limits need to be fixed to better control who shows in the classes. I also am a bigger fan of the look of minis than I am of Shetlands. I do see thought many benefits that cross breeding the two could bring. I feel that while most Shetlands have longer legs, longer necks, smaller heads, are overall more refined, and have better movement; most minis have straighter legs, hookier necks, better shaped heads, are overall more muscled, and have more level hips. The cross of these too could be incredible.
I haven't really been much help with figuring out how Shetlands breeders feel.
But I would assume they do not care as much sense they are not really showing against many crosses.
Lyn,
I don't know if your stallion has any Miniature in him, but I feel that he is very close to what I would like to see the end result be of crossing Mini's with Shetlands.