This the reply I got from HTC to a Facebook post I made regarding this issue.
Hi, David. The Rezound is still set to receive ICS. The updates are still rolling out right now. Our goal is to make sure that an upgrade provides an equal or improved customer experience and that means a high standard of quality for hardwa...re compatibility, adapting device or carrier specific customizations, testing by HTC and partners, addressing device hardware constraints, and many other factors. When we have the release ready, we'll be sure to share more information. Thanks for remaining so patient.