When it comes to iPads, analyst Doug Reid of Stifel Financial is very bullish: in addition to raising his fourth-quarter sales estimates for most iOS devices, Reid points out that among all the talked-about iPad competitors, only one is actually available for sale at present, and all are "disadvantaged by unsuccessful attempts to integrate first generation tablet hardware with mobile OSes (Android 2.2/3.0, Chrome) that remain either nascent or entirely unproven relative to Apple's nearly 4-year old iOS."