The first batch of ultrabooks attempting to take on the MacBook Air might be produced with intentionally low production numbers to test the market, notebook industry insiders purported late Monday. Systems like the Acer Aspire S3, Lenovo IdeaPad U300s, and Toshiba Portege Z830 may all ship in early production runs under 50,000. The move Digitimes understood would be for "testing the water" to see if a market exists for non-Mac versions of the ultraportables.