I think that is what makes hybridizing so much fun! The last group is beautiful too! I'm just a sucker for pink! If it's got an edge, even better! I really hope you achieve your goal of a pure white, but if you don't, you've obviously got others that are amazing, and that you can register!
That's exactly why I try to do at least 300 every year so I always have something different to look at, the one fault I have is that I hate keeping up with parentage and all the paperwork involved and it comes back to bite me every now and again, Here are a few that I wish I had.