The final standard for 802.11n is due to published this september.
Of course, it's actually been a standard for years, it's just the IEEE has finally got round to publishing the standard.
http://www.reghardware.co.uk/2009/07...for_old_wi_fi/
Now, they just need to work on the 60GHz multi gigabit speed 802.11ad. Wonder how many years that will take.