Microsoft announced back in June what their retail pricing plan was going to be for the inevitable release of their Windows 7 operating system on October 22nd.  In case you missed it, you can expect to find these prices for Win7 at your local software retailer:

Upgrade Retail Products

Windows 7 Home Premium – $119.99
Windows 7 Professional – $199.99
Windows 7 Ultimate – $219.99

Full Retail Products

Windows 7 Home Premium – $199.99
Windows 7 Professional – $299.99
Windows 7 Ultimate – $319.99

When reviewing these plans and coming up with your respective budgets, please keep in mind that the pricing above are for retail copies and not OEM (Original Equipment Manufacturer) versions of the software.