The key MS should remember is that all these additions should be OPTIONS that you can enable or disable in the control panel.
They should also include options to completely disable the start...
The Xbox is grea, but what I don't get is why Microsoft does not bring some of that functionality, like playing Bluray movies to Windows 8.
Check a local MS store, one near me had the 520's in stock when I got mine.
I got the 520 fir $50 in local MS store. Even if not used as a phone its the cheapest MP3 player around, or a cheapest GPS device around; that's just an incredible value even if you are not on ATT...
mainstream users? lol seriously? more like no alternative to console only 'gamers'