Any low ultrabook shipments may be a virtue of chronic aluminum shortages running through to 2012. An industry news tip stemming from Digitimes has some of the key companies making aluminum panels for ultraportable notebooks, including Foxconn and Catcher, fully occupied until at least the end of 2011. MacBook Air competitors that use aluminum, such as the Acer Aspire S3, Lenovo IdeaPad U300s, and Toshiba Portege Z830 might all be constrained as a result.
