HP TouchPad tablets: There may be an iPad backlash brewing. Whether it is the litany of administrative difficulties in managing the iOS platform – difficulties built into the system by Apple, administrators say – or just the increasing strength of Android, PC-based tablets are gaining steam. HP’s TouchPad tablets got a lot of attention at the company’s booth at TCEA this week, and are just one of the several strong competitors nipping at Apple’s heels with ever-sharpening teeth.