Of course, what you're saying is true. As a plugin there's only so much fuss that you can make of it... it's primarily there to be taken for granted. However, I don't think msn will ever be the same without Plus!. Not only does Plus! give it the edge that MSN lacks, but no matter how much Microsoft seems to work, you always seem to have the flair and judgement to produce something better.
The true value of the project, I think, however, is the community that you've built around it. That's something which will go on no matter what happens on the software front, and you should be very proud.
I think I have a hunch what the new feature is