In a similar boat... hard requirements are a low-top vegan cupsole. While I appreciate iPath offering options, their styling isn't for everyone. Nidecker group seems to offer the most variety but recent season stylings have been minimal and don't fit my liking.
I actually emailed Vans recently just to see if they offered a vegan style of any shoes currently using wafflecup (my research said no, but figured it was worth a shot), and confirmed they do not, credit to their customer service for responding so quickly, though. Adidas, Nike, Ascics... nothing (I don't count the Nyjah).
So we have the NB 440 v2, which is what I wear today, and honestly love. I'll be picking up the brown/black colorway soon. My only wish is that they offered a simple black version with white logo and black, white, or gum sole.
@rothdigga mentions in the main NB thread that they've continuously offered the 480 in the NM480SBW colorway because it consistently sells. I'd love a synth version of that, or a synth version of NM440BNG. I'm but a simple person who prefers my shoes be black. I'd buy them in bulk and wear them for years. But I do appreciate
@rothdigga for thinking of us while other bigger shoe companies aren't, and giving us an option. I'm curious what the other model is that you're currently working on a synth version for... please let it be a cupsole.

(I've lurked this thread for years. Hello! Figured I'd finally chime in.)