Is there really going to be Windows 8?

Wikipedia says this:
Windows 8
A roadmap timeline slide shown by Microsoft at the 2009 Professional Developers Conference[12] shows that Code Name “Windows 8″ is scheduled to be released sometime around 2012. Development and other aspects of Windows 8 have not been detailed in public, although job listings have mentioned improved functionality for file access in branch [...]

Vista Business – can it really be this slow?

We waited with baited breath for Vista to be installed at work – would speed up our clogged up system etc – now it seems worse than ever.
Can it really be this slow? I am not imagining it – I time how long I wait for that damn blue circle to go round [...]