Set-piece reliability and dynamic loose-forwards are taking more steps, a range of playmakers and class goal-kickers are available and back threes are working better with and without the ball.
Talented tight forwards like Maro Itoje and George Kruis have joined Alun Wyn Jones, Jonny Gray and Joe Launchbury while the crushing power of No 8 Billy Vunipola has added monster value to Toby Faletau and Jamie Heaslip.
Manu Tuilagi is being reshaped as a second five eighths, George North is back into his gallop, Anthony Watson is showing his finishing gifts, Liam Williams has the varied game to go with Stuart Hogg and Mike Brown at fullback and so on.
There are stacks of others who are impressive players although the problem, as ever with the Lions, is getting it all to mesh in a short time.
Who'll be captain? Former Rotorua rebel Dylan Hartley if England continue to prosper in the next two years or Sam Warburton who has long been Gatland's go to man and will be favoured if the Kiwi gets the coaching gig.