Originally Posted by BlueSpark
I know of two breeds that typically cross well with most breeds; Arabians and Thoroughbreds. With these two breeds you have a better chance of ending up with a decent horse from a weird cross.
Yes, these are good choices to outcross with, and I have seen a lot of nice ones. BUT again outcomes are so hard to predict, but I do think you improve the odds by choosing one of these two breeds as one side of the coin.