I've been updating my computers to windows 10.
Good: generally works. Particularly, on the slowest machine, seemed to work better.
Bad: some driver issues. bluetooth confused (thought it was USB, had to uninstall and reinstall a few time).
Bad: lots of advertising.
to get rid of stupid metro aps:
http://www.howtogeek.com/224798/how-to-uninstall-windows-10s-built-in-apps-and-how-to-reinstall-them
used the following commands
Get-AppxPackage *3dbuilder* | Remove-AppxPackage
Get-AppxPackage *windowscommunicationsapps* | Remove-AppxPackage
Get-AppxPackage *officehub* | Remove-AppxPackage
Get-AppxPackage *skypeapp* | Remove-AppxPackage
Get-AppxPackage *getstarted* | Remove-AppxPackage
Get-AppxPackage *zunemusic* | Remove-AppxPackage
Get-AppxPackage *windowsmaps* | Remove-AppxPackage
Get-AppxPackage *solitairecollection* | Remove-AppxPackage
Get-AppxPackage *bingfinance* | Remove-AppxPackage
Get-AppxPackage *zunevideo* | Remove-AppxPackage
Get-AppxPackage *bingnews* | Remove-AppxPackage
Get-AppxPackage *onenote* | Remove-AppxPackage
Get-AppxPackage *people* | Remove-AppxPackage
Get-AppxPackage *windowsphone* | Remove-AppxPackage
Get-AppxPackage *photos* | Remove-AppxPackage
Get-AppxPackage *windowsstore* | Remove-AppxPackage
Get-AppxPackage *bingsports* | Remove-AppxPackage
Get-AppxPackage *soundrecorder* | Remove-AppxPackage
Get-AppxPackage *bingweather* | Remove-AppxPackage
Get-AppxPackage *xboxapp* | Remove-AppxPackage
Get-AppxPackage *travel* | Remove-AppxPackage
Get-AppxPackage *reading* | Remove-AppxPackage
Get-AppxPackage *camera* | Remove-AppxPackage
