Acer was already kind enough to give us a heads up that it would not be launching the Iconia Tab A100 in May, as planned. But the company wasn't exactly champing at the bit to explain why its 7-inch, Tegra 2-powered tablet is taking such a tedious trip to market. According to a DigiTimes report, at least, the hangup comes down to compatibility issues with Honeycomb, an OS that so far hasn't been seen on many 7-inch slates. Specifically, the site