Those shoes sound like just what I need. If they were in the store, I'd buy the hell out of them. Lightweight, flexible, great for training, durable, all that AND they're just about the suavest looking shoes I've ever seen.
I'm liking the concept for the straps instead of the laces. My laces come untied all the time and I've stepped on them at the most inconvenient times... The whole wiening thing seems like a good idea as well. Definitely like the last two color schemes with the red and black/white and green. I can't think of anything I'd want to change except that it might need a soft tongue so that the straps don't irritate the front of the ankle.
Over all, excellent design, and keep up the great work.