I know the HD feed is important to our customers. I'm a bit of an HD snob myself nowadays too. It's hard to watch an SD feed when you know an HD one should be available.
If you've yet to officially report this with us and have a ticket escalated, I can do that for you. Please PM us @CommunityHelps so that I may further assist. If you're not familiar with our PMing process, you can find instructions here.