"And also the money being thrown at players [by the IPL] - people are na´ve if they don't think players are even going to think about it and potentially go and play in it.
"It's a really exciting prospect to see how it's going to look.
"Everyone is waiting to see what kind of game's going to come across from the TV.
"Is it going to have passion? I think it's going to have to with the amount of money that's being thrown at it.
"I'm sure there will be even more leagues set up around the world because Twenty20 is here to stay."
Pietersen admitted he would love to be involved in the IPL, but denied suggestions he would refuse to sign his central contract in order to do so.
"One of the thing that frustrates the England players is that we're the only country that are missing out," he told BBC Sport.
"Everybody wants to be involved in something so exciting - you don't want to lag behind."
But Pietersen said "there's no way" he would not sign his contract when it comes up for renewal in September.
Interview: England's Kevin Pietersen
"I'm committed to England," he said. "I've got a load more goals and ambitions to play for England.
"They have been wonderful to me and I've been able to fulfil my dream. There's nothing I'd rather be doing and I'm very happy."
Meanwhile, Vaughan's Yorkshire team-mate, former England bowler Darren Gough, revealed he could have played in the IPL and the ICL, the unauthorised Twenty20 competition taking place in India.
"I could have gone and played in the tournaments, but I want to play for Yorkshire this year and see what happens," he said.
"I think it's a great opportunity and players can only learn from it."
The ECB said in a statement on Tuesday that international commitments would continue "to take precedence over domestic competitions".
It went on: "The England team director will continue to determine which players can be rested or released from their central contracts from time to time.
"The ECB will act in accordance with this policy but has never stated that centrally contracted players are banned from IPL.
"It should be noted that in 2008 and 2009 the npower Test match series clashes with the scheduled dates of the Indian Premier League but future schedules of the IPL from 2010 onwards are yet to be released."
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