As Andrew Fryer pointed out earlier today on his blog, RC0 for SQL Server 2008 has been released to MSDN and TechNet subscribers. What is RC0? It may be the last public push we see before the product RTMs later this year. It is feature complete, and from this point forward, only major show stoppers will likely be addressed before then.
I am writing to plead for your votes on a very important issue that came up for me using the new Activity Monitor, which is a show stopper for me. There is a great new Activity Monitor which has a lot of new features, such as launching Profiler directly from a SPID list, and launching a showplan from a list of "Recent Expensive Queries." This latter feature is completely broken for me, when connecting to a SQL Server 2005 instance. I get an unhandled exception:

I am hoping that you find this an important issue as I do... most notably because we will likely be upgrading our workstation client tools long before we upgrade all of the servers we manage.
So, I am asking for your votes in the following Connect item:
http://connect.microsoft.com/SQLServer/feedback/ViewFeedback.aspx?FeedbackID=349494