I don't think they will just modify the Beolab 3, I think we will see a new speaker roughly to that scale. The Beolab 3's do not have any room inside there for iws.
"She likes the boys in the band, she said that I'm her all time favorite" -Rick James
G'day Shout :-)
My guess is that they will make the 3 look like the 20 but in mini form, and I hope they do :-)