Anything that helps bring down flash in my opinion is great. (stupid adobe)
Thank god for noscript addon in firefox :)
In the meantime, looking for a fantastic browser game, check out :
Quake Live at quakelive.com
Fallen Empire: Legions on instantaction.com (like tribes, site will be back online soon)
Bullseye at interstellarmarines.com
plenty of others too just google and you'll find a plethora of quality games all in the browser :)
Current Favorites:
Wii - Muramasa, MH3, Metroid Trilogy, RS2, Okami, RE4, COD, Dead Space, Scarface
PC - L4D, TF2, BFBC2, Killing Floor, Aquaria, Warsow, many UDK indie games
Mods - MechWarrior:Living Legends, Star Wars: Galatic Warfare, PVKII, Goldeneye Source, L4D mods
PS3 - Demon Souls, Way of the Samurai 3
Social Modding Club: ModDb | Steam