We really shouldn't joke about something as serious as this, but the lead-up has been so long and winding -- years, actually -- it's kind of hard not to.

Yes, Microsoft undoubtedly will debut Windows Mobile 7 in some form Monday at Mobile World Congress. We've been saying that for a long, long time now (November, actually). Now that the likes of the Wall Street Journal is saying it, well, then it must be officially unofficial.

At a wireless industry conference in Barcelona on Monday, the company plans to publicly show a new version of its cellphone operating system, Windows Mobile 7, for the first time, according to people familiar with the matter. The operating system sports a revamped user interface that resembles the look of Microsoft's Zune HD music player, people who have seen it said.

As luck (and Delta) should have it, we'll be at that "wireless industry conference," also known as Mobile World Congress. More on that over the weekend. But suffice to say, big things are in store.