The meta gems for most DPS classes -- the ones that provide 3 percent increased critical damage -- had their requirements changed in patch 4.0.3a to "Requires more blue gems than red gems." This was very unpopular and made these meta gems far less attractive -- possibly even no longer worth using.
Happily, Blizzard has announced that it's changing back to the old requirements in a future patch.
World of Warcraft: Cataclysm will destroy Azeroth as we know it; nothing will be the same! In WoW Insider's Guide to Cataclysm, you can find out everything you need to know about WoW's third expansion (available Dec. 7, 2010), from brand new races to revamped quests and zones. Visit our Cataclysm news category for the most recent posts having to do with the Cataclysm expansion.