The Surface tablet may be generating headlines, but Microsoft isn’t the only company making Windows RT tablets for launch this October: its hardware partners Dell, Lenovo, Asus and Samsung have all been beavering away

2011′s tablet line-up is more or less complete, and the rumour mill is already speculating about what Apple and others have lined up for 2012. But where is all of this heading? What technologies will power the tablets of 2013?