Peel and Delve were two players to impress from the bench

"The changes will not be wholesale but there will be some, they will freshen us up, give enthusiasm and impetus," he said after the 30-15 win over Scotland.

"Some guys made a mark off the bench - Gethin Jenkins, Matthew Rees, Gareth Delve and Stephen Jones took us home.

"Changes will be on performance and on rota. I'll probably pick the side this week to give more preparation time."

Highlights: Wales 30-15 Scotland

Interview: Scotland coach Frank Hadden

Interview: Wales coach Warren Gatland

Interview: Man-of-the-match Martyn Williams

The Kiwi coach has been on a mission to shake up a complacent Wales camp since taking over in December, and was rewarded with an opening 19-26 win over England at Twickenham.

In his first game in charge at the Millennium Stadium, Wales showed flashes of their ability, but an error-strewn performance meant they led the Scots by just 17-15 after 60 minutes.

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Gatland took the bold decision to make wholesale substitutions, taking off both half-backs along with his loose-head, his hooker and captain and number eight Ryan Jones.

"I was obviously disappointed, but I'm part of a winning team at home, that's another good day," said Jones, who admitted the "huge impact" made by the replacements.

"The performance was patchy but we're two from two, you can't ask more."

After the opening wins, Gatland remains determined to cool any talk of a potential Grand Slam.

But with a home game against Italy next followed by a Triple Crown match in Dublin, runaway excitement seems inevitable.

I'm pretty sure there is no team in the Six Nations working as hard as we are Wales coach Warren Gatland

"The pleasing thing for me is that we're not going to get the Wooden Spoon, and we have got the chance of the Triple Crown," said Gatland.

"At the back of your mind you always have that [Grand Slam] dream, but if you start talking too far in the future you are going to get caught with your pants down and we have to make sure that doesn't happen.

"We are trying to get a bit of shape into our game, we know the way we want to play, it's just a matter of implementing it by the players.

"I have said it will take two years to be a really good side. When we get there we are going to be pretty good.

"The skill level is brilliant, the attitude is fantastic. If we continue with the hard work we will get there.

"I'm pretty sure there is no team in the Six Nations working as hard as we are."