This will help to kill a bandwidth bottleneck within an internal network, but until ISPs can step up to Google's challenge and create high-speed networks pushing the GB download/upload then it isn't really going to see much benefit outside of office environments. I hope Goggle's thrown gauntlet will force major ISPs like Time Warner, Verizon, AT&T & Cox to cowboy up and put new infrasture in every metropolitan area. It isn't that they're incabable, it's that they haven't been forced to make an effort to improve performance. I wonder how painful the KC-Metro experience has been for other providers in the area - makes me want to move to Olathe/Lenexa just to enjoy that sweet, sweet download speed. When cellular internet has caught up to cable broadband, it's time to get working.
In short, I am all for new ethernet standards but I am more interested to see ISPs either pushing the limit of the metropolitan fiber rings or finding another way to increase speeds to their customers without emptying my wallet.