I imagine everybody knows bout this, by now. Still, FYI
Buy a windows7 PC or laptop, during certain dates & you can move it to Windows8 for $16
Until 31/1/13 Windows XP, Vista, Windows7 & Win8 RP can be taken to Windows8 for $40
These Promo offers come w/ 6-months (free) support from Microsoft.
These are amazing bargains, terrific deals!