Dave,I like the looks of the CSS WR125S and ST drivers. The initial reports from others are favorable. Al Wooley and CSS have demo'ed some line array models (with the WR125 drivers) and I suspect that they will be sold as kits in the near future. Most initial reports on sound quality that I have read on these designs have been mixed though but I would guess improvements are underway.
The Fountek NeoCd2.0 ribbon (replaces the JP-2 version) would work great in a line array. I'm not a Neo 3 nor Neo 8 fan.
Jim