We knew good and well Microsoft was gearing up to drop a pre-beta release of Windows 7 in developers' laps at its Professional Developers Conference, but now we're being treated to a host of details from Redmond itself. For starters, it's showing off (for the first time, mind you) its new Web applications for Office. As you'd expect, said apps are "lightweight versions of Microsoft Office Word, Excel, PowerPoint and OneNote that are used from within standard web browsers." According to Ray Ozzie, chief software architect at Microsoft, it's aiming to bring "the best of the web to Windows, and the best of Windows to the web." 'Course, we're also told about improved navigation, a new taskbar (preview shown), support for multi-touch gestures, Device Stage and enhanced AV integration -- all things that have our interest decidedly piqued