Snark Free Theme Day for 9/30
1. To signify his coming to terms with his new-found understanding of how his ionic powers work, Simon Williams adopted a brand new costume in Wonder Man #25.
2. To signify his coming to terms with his place in the grand scheme of things, Kyle Rayner adopted a brand new costume in Green Lantern #150.
3. To signify his coming to tersm with his status as THE Flash, Wally West adopted a brand new costume (think the original costume only shinier, with his eyes covered) in Flash #50.
4. To signify his long-awaited debut as Batman's partner, and to show that he was a different person all together from his predecessors, Tim Drake debuted a new Robin costume in Batman #457.
5. To signify his coming to terms with his place in the DC hero world, out of the shadows of Batman, Dick Grayson debuted, in Tales of the New Titans #44, his new costume (and identity) as Nightwing.
6. To signify Thursday, Wasp debuted a brand new costume in Avengers #...too many to mention.
Let's hear some more!