Before the iPad and before the Slate, the most exciting touchy tablety thing in our lives was Toshiba's JournE multimedia tablet. Now that the Japanese compu-maker has seen what the competition has on offer, it's proudly proclaimed itself back in the running with an entire family of slate devices it's planning to introduce near the end of 2010 or in early 2011. "It has proved to be a mistake to underestimate these new ca