Former greats have their say on Australia's best XI at the T20 World Cup

While David only managed scores of 18 and two from the opening two matches of the three-match T20I series against India, the 26-year-old showed his class with a blistering half-century in the final game of that series in Hyderabad on Sunday.

David's first taste of international cricket for the reigning T20 World Cup champions comes on the back of a successful sustained period of T20 cricket in domestic leagues around the world and both Gilchrist and Waugh have been suitably impressed.

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The Australian greats were recently asked to name their best Australia XI for the upcoming T20 tournament and the pair agreed that David has already done enough to feature.

"Tim David should have a place in that XI," Fox Cricket commentator Gilchrist said.

"His power and the way he has taken it on...and seeing what we have seen from him over the last 18 months all around the world, it is really in all different conditions and they (opposition teams) will fear him coming in.

"It is a role that Australia have never really tried to fill, having someone who knows they are only going to get 15 or 20 balls (to make an impact)."

Waugh echoed Gilchrist's sentiments, although the former champion right-hander said much can change between now and the start of the tournament in mid-October.

"I have got Tim David in the XI at this stage," Waugh noted.

"That could change with form, but that looks a pretty good side to me."

But the Australian pair couldn't agree on which player should make way for David, with Waugh leaving experienced batter Steve Smith out of his best side and Gilchrist believing the pressure was on Marcus Stoinis to hold on to his spot.

Smith only reached double figures once from three hits against India, while Stoinis skipped the tour and remained home in Australia to rest a side injury he picked up against New Zealand at the start of the month.

The burly all-rounder did manage 80 runs and was only dismissed once at the last T20 World Cup, importantly saving the day for the Aussies alongside fellow veteran Matthew Wade in the cut-throat semi-final against Pakistan when the duo combined for an 81-run partnership that dragged their team over the line in thrilling circumstances.

But Gilchrist is unsure on whether the talented 33-year-old is a walk-up start for Australia since the recent emergence of David.

"Marcus Stoinis seems to be the man under pressure at the moment," Gilchrist said.

"But I think Tim David should have a place in that XI.

"Unfortunately that best XI is going to have 12 players in it and I don’t know who I am going to leave out."

Adam Gilchrist's best Australia XI:

1. Aaron Finch
2. David Warner
3. Mitch Marsh
4. Steve Smith
5. Glenn Maxwell
6. Matthew Wade
7. Tim David
8. Pat Cummins
9. Mitchell Starc
10. Adam Zampa
11. Josh Hazlewood

Mark Waugh's best Australia XI:

1. Aaron Finch
2. David Warner
3. Mitch Marsh
4. Glenn Maxwell
5. Marcus Stoinis
6. Tim David
7. Matthew Wade
8. Pat Cummins
9. Mitchell Starc
10. Adam Zampa
11. Josh Hazlewood