Office 2010 is getting a big companion piece for handsets in the form of Office Mobile 2010, which is being made available today in concert with the suite's beta release. It's a pretty major overhaul thanks to comprehensive, WYSIWYG editing capability in Word, Excel, and PowerPoint, the addition of SharePoint Workspace Mobile for managing Office documents off your office's servers, and a trick Bluetooth mode for PowerPoint that lets you effectively use your handset as a second screen by showing you your slide notes in real time while running a presentation off your PC. You can grab it now off Windows Marketplace in beta form, but be warned: it's only for 6.5, and we're being told that it won't be back-ported to 6.0 or 6.1 for the retail release.