By early estimates preorders were coming in friday morning at the rate of 25,000 per hour. are we surprised? the question remains for viewers on the fence, should you rush out and buy one? so here with some answers, is pj jacould bewits an analyst with pcmag.com. the big question, every time one of these have come out, the iphone, ipod, everybody says don't buy first generation because six months from now or three months from now they'll come out with a better one. is that what we're doing here? >> i would say don't buy one, buy two. totally kidding. >> can you buy them for me? >> sure. it's o...