I am curious, what do you want to try?
i wanted to see how well i could integrate an older mc 12 version into my mc 15 for some of the tagging. im a minority where it comes to tagging credits in the way they are ment to be
http://yabb.jriver.com/interact/index.php?topic=59726.0ricks answer in this post
http://yabb.jriver.com/interact/index.php?topic=59657.msg403388#msg403388 made me look out for an 'external database'. i tried several last week, but i could not find one that has all the features i love in mc for tagging, most of all in pane tagging. besides that i wanted something that would make setting the credits right again for everything that is already in my mc 15 not to complicated. and when i thought about using a none editable list field (instead of the keywords field) in mc 15 i wanted to try to fill that field with mc 12.
and i must say.. it works great on all points. for now im happy, and because the result from my tagging work is very nice again it also makes tagging fun again.
besides that it is amazing to see how much quicker mc 15 is. and i thought 12 was fast already.
gab