For some television viewers, size apparently does matter. Forget the 65-inch TVs that were considered bigger than average a decade ago. In time for the holidays, manufacturers and retailers are rolling out more XXL screens measuring more than 8 feet diagonally. That's wider than a standard three-seat sofa or a king-size bed. Supersize televisions only accounted for 1.7% of revenue from all TV set sales in the U.S. during the first nine months of the year, according to market research firm Circana. But companies preparing for shoppers to go big for Christmas, Hanukkah and Kwanzaa have reason to think the growing ultra category will be a bright spot in an otherwise tepid television market, according to analysts. The 38,100 televisions of at least 97 inches sold between January and September represented a tenfold increase from the same period last year, Circana said. Best Buy, the nation’s largest consumer electronics chain, doubled the assortment of hefty TVs — the 19 models range in price from $2,000 to $25,000 — and introduced displays in roughly 70% of its stores.