Okay so this isn't quite the fastest T20 half-century ever, but it is worth posting about. In fact it beats the record in the 'official' stickied (but closed) records thread.
ICC09 - 2010 Season - Essex save
T20 comp quarter-final vs. Hampshire. Chasing 153 for victory.
Ben Wright opening with Mark Pettini.
Ben Wright's innings: 2 . 1 1 4 . 6 . 4 ! 4 . 4 6 4 4 4! ! 4 4 (that's 52 off 20) 4 . W
ICC09 - 2010 Season - Essex save
T20 comp quarter-final vs. Hampshire. Chasing 153 for victory.
Ben Wright opening with Mark Pettini.
Ben Wright's innings: 2 . 1 1 4 . 6 . 4 ! 4 . 4 6 4 4 4! ! 4 4 (that's 52 off 20) 4 . W