Perfezione Fetiocci

I have heard so many rumours, I'm tired of it, so I want a straight answer. I have been a long time SL user. I like my V1 based viewer, I know how to use it, I like it's features, I enjoy my SL experience using it. So tell me please an actual date when I, as many other of we loyal users of V1 based viewers, will be forced to change to V2 based viewers. I don't mean a "sometime in the future" answer, I mean an actual date of WHEN please. I wish we could just continue on our merry way using viewers like Phoenix, Singularity, Impurdence and such, but no, we have to give them up, so I want to know WHEN in no uncertain terms. Thank you.