I made contact with Yahoo about the HELX board not working-- here's the response I got. So, they do know about the problem, when it will get fixed is still the question:
>>Thank you for writing to Yahoo! Message Boards. As you've noticed, we're currently experiencing some technical difficulties. At this time we would like to reassure you that we are doing everything in our power to esolve the issue as quickly as possible. Although we can not offer you an estimate as to when this problem will be fixed, please be assured that we are aware that the problem exists and our engineers are further investigating the issue. Unfortunately, we cannot offer any further information regarding the problem.
We appreciate your patience and understanding on this matter. As always, your satisfaction is our goal.
Thank you again for contacting Yahoo! Customer Care.