Say it with us now: "Yippee!" Why such joviality? We'll tell you why. Nokia, Samsung, Toshiba, Sony and Silicon Image have all teamed up to create yet another new connector, with this one hoping to forever harmonize the strained relationship between mobile phones / PMPs and high-def displays. The so-called Mobile High-Definition Interface Working Group is seeking to create a new "industry standard" for connecting handsets and other portable c