Filed under: CellphonesConsidering that we've already seen Sun parade its iPhone-like Java Mobile FX platform around, it's not too surprising to hear that Samsung and Sun Microsystems could be teaming up to "jointly develop a mobile phone to challenge Apple's iPhone." Furthermore, the two firms already have a history together, and according to Sun Chairman Scott McNealy, the duo could be working on "a Java phone that would surpass Apple's iPhone in functionality and cost less." Of course,