The first one is in layout, they are all being written by the same author, and they are all being released via Kenzer.
I have had the pleasure to read over the pre and post layout version of several mods and I am very anxious for them to see print this year. Eamonvale Incursion, the Tsar series, and Elemental Moon being the ones I am most anticipating.
I haven't seen anything of the City of Brass/Efreeti product, but from what Casey was willing to tell me, and a couple of comments from Bill at GenCon 2006, I am sure at least Necromancer fans will be very happy. I would think the gaming community at large would as well, but since I am still stumped by why Necromancer has so little love from the general populace, I am at a loss to predict their reaction.
I'm still bummed Tegal Manor isn't getting the vinyl map treatment (IE like Ptolus). But at least its getting the several (6?) huge maps treatment. There's still time for the Necro Lords to change their minds about the vinyl, so I'll keep nagging.