has anyone had a play with a modbook? [a tablet version of th macbook].. is it any good? does th touchscreen software/power requirements effect performance of th macbook ? does anyone know where i can get a hands on demo of it in th uk? if not, does anyone know when it wil b in th uk ? also can anyone coment on capture one performance ,macbook vs mbp ? significantly slower or not, for tethered shooting ? thanks!