Ready. Set. 7.

This is by far the most comprehensive page I have seen for those developing software or hardware that will be compatible with Windows 7.

http://www.readyset7.com/

I copied some parts below that should convince you to check the site out…

 

	Software
Opt-In to Receive Updates	Software Logo Newsletter
Review the Documentation	Software Requirements
Download the Toolkit	Software Logo Toolkit
Test and Submit for the Logo	Program Details

 

and…

Get listed in the Windows 7 Compatibility Center and reach millions
Today, millions of customers and sales professionals use the Windows Vista Compatibility Center to discover compatible devices and applications. Soon, we will be launching the Windows 7 Compatibility Center.
Be sure your products get listed in the Windows 7 Compatibility Center by submitting your compatibility status directly to the Compatibility Center Team