Halfway into the June quarter, Mac and iPad sales are looking healthy, says Kaufman Bros.' Shaw Wu. The analyst cites "industry and supply chain checks," which indicate that Mac sales are doing well as a result of the recent MacBook Pro refresh. This introduced Core i5 and i7 processors into Apple notebooks, while also extending battery life to between 8 and 10 hours. It looks like Apple could post its third consecutive quarter of 20+ percent year-over-year unit growth, Wu remarks.