Again, more news from the PDC. Microsoft senior vice president Steven Sinofsky took the stage Wednesday to discuss Office 12, which he said would hit Beta 1 within a “couple months.” Betas of the Open Office XML format schemes are available starting today. Also, more screenshots of Vista build 5219 can be found here, shots of IE7 here. MS also announced a developer’s toolbar for IE 6 and 7. The toolbar would allow the developer to see how pages would look in various screen resolutions, validate HTML and CSS code, and perform numerous other functions that Web designers would find useful. You can read transcripts of the various keynotes here.