I found some concept art for the Amazing Spider-man that was released a few days ago and while I didn't like the Spider-man designs much (apart from the 3rd one. If the spider was in the center of the chest that suit would be bada$$! The 4th is pretty good too) a couple of the Lizard concepts look awesome!
Spider-man concepts by Eddie Yang:
Lizard concepts from the Aaron Sims company: