That's right ladies and gentlemen, boys and girls - although this show is an 18 so you probably shouldn't be watching it at that age - E4 have commissioned season 3 of this classic comedy to air sometime during 2010, probably around April-May as with the other seasons. I have no clues on the season length, although it will probably be 6 episodes again, and there have been no announcement about cast changes or such like either.
It has also been announced an Inbetweeners movie is planned, and here comes my insider information [Wikipedia]:
"In September 2009, Beesley and Morris confirmed that a film had been comissioned by Film4 and the story will revolve around the four lads going on holiday to Magaluf. The creators also stated that Simon Bird (Will) and Joe Thomas (Simon) had written a script for the film which was said to be "annoyingly funnier" than theirs."
So lots to look forward to.