There is one very good reason to be wary of the England team for the first test tomorrow night and that reason has a name ... Stuart Lancaster.
The amiable 44-year-old, ably assisted by his coaching team of Andy Farrell, Graham Rowntree and Mike Catt, has orchestrated a huge change in mindset in his team - and he has done so in a relatively short time.
Gone is the dour, stifling, 10-man rugby that most in the Southern Hemisphere instantly identified as "English rugby".
It's been replaced by a game plan that encourages and utilises the talents of all 15 players on the field as well as the other eight chaps waiting in reserve.