Representing a letter of the Greek alphabet can be a daunting task. The Nokia 700 "Zeta," however, is busy getting primed for the massive duty on hand, indicated by a pair of possible press shots that surfaced from Indian site KnowYourMobile. A comparison of these new pics with the spyshots grabbed last week show very little difference besides the obvious color change, with the 1GHz, Symbian Belle-powered Zeta opting for a white front and chrome back instead of the black and candy-apple combo we saw previously. This could mean that, like many Nokia handsets before it, a rain