I also think every little detail is highlighted in T20's and so as much as one individual performance can win a game, a 60/70 not out or a 5 for, a very good and diciplined team performance can be also very very effective each bowler taking a wicket or two at vital times as well as the top 6 getting at least 20 with one or two pushing on, and if one batsman can bat through this will give the other batsman a licence to play a few more shots at "better" balls
Technique wise the best t20 players in the world still stick to basics, hit straight head still and have a solid base, a lot of players play "proper" shots mixed with innovation, like jos buttler vs SA last summer, in that over from wayne parnell, 2 huge bery straight sixes a pull for six with the 2 scooped 4's, everyone raves about the scoops but the 3 sixes were proper shots and arguably much more impressive