"You can't determine a trend over a couple of months," says Graffeo, who notes that total sales for both formats are roughly equal since their introductions last year.
But some experts are ready to play taps for the HD DVD format - and are saying it's safe to buy Blu-ray players without fear they'll end up being sold as relics on eBay.
Alison Casey, who analyzes consumer trends for London-based Understanding & Solutions, predicts that retailers will pull the plug on HD DVD sometime next year.
"They never wanted two formats. It confuses consumers and creates problems with them with returns," Casey told The Post. "They're looking to go to a single format as soon as possible."