Ready for some more tablet news? Yeah, we know, this one's different. Promise. It's MSI's 10-inch, Tegra-powered machine we checked out a few weeks back at CES. We were reasonably smitten then and, despite the new competition, we still think it looks promising. But, a $500 MSRP probably isn't going to help things much when it launches sometime in the second half of this year, if a report from DigiTimes proves to be correct. Specifications are said to be "flexible" and the company will "launch different models based on market