Cricket Australia have been the driving force around the International Cricket Council table for pink ball tests, reckoning them a chance to get more numbers through the turnstiles.
Certainly the inaugural test, in Adelaide late last year against New Zealand, was a huge success.
There was a view that as England hold the Ashes, why would they want to put as risk the old urn in a format in which Australia will have had more exposure.
By the time of the Ashes series, they will have played at least three day-night tests, remembering they play Pakistan under lights this month.
Adelaide is the likely venue again for a day-night Ashes test. It seems to be positioning itself as the go-to venue for them in Australia. But there's a complication.
The early suggestion is England would want the first test of the series to be the pink ball match. That has traditionally been the domain of the Gabba in Brisbane.
Perth hosted the first test this season, and Australia got a beating from South Africa and the game was generally derided as a flop on a range of fronts. So a return to Brisbane is on the cards.
Adelaide are preparing a push but would rather the match was centred around January 26, Australia Day.
So would an Ashes test under lights provide the final seal of approval for a concept which still doesn't draw universal applause?
There's plenty of water to flow under this bridge. Still, it's a thought to ponder. Who would ever have thought the Ashes would be played under lights, and with an English ball in Australia to boot?