Tip 2: Burn a Disc Image from an ISO or IMG file in Windows 7
Windows 7 beta 1 introduces a built-in ability to burn discs directly from ISO and IMG files (this used to require a third-party tool). To burn a disc using an ISO or IMG file, simply do the following:

Place a blank unformatted CD or DVD into your CD/DVD drive.
Right click on the ISO or IMG file you want to use to burn a disc.
Click Burn disc image.
Next to Disc burner, click on the …

Tip 1: Work Faster with New Hotkey Keyboard Shortcuts in Windows 7 beta 1
Windows 7 beta 1 includes some handy new shortcut key combinations that allow you to navigate and manage the Windows workspace more efficiently. Here are 10 new Windows 7 shortcuts that will help you speed up your workflow (“Win” means the Windows Key):
Win+Home: Clear all but the active window
Win+Space: All windows become transparent so you can see through to the desktop
Win+Up arrow: Maximize the active window
Win+Down arrow: Minimize the active window or restore the window if …

Starting from today the guys behind the technet magazine would be posting the tips for Windows 7 beta 1 daily.
Here is what the blogpost reads-
Today kicks off a new month of daily tips from TechNet Magazine.  February is A Month of Windows 7 beta 1 Tips.  Throughout the month, we’ll be publishing a new Windows 7 beta 1 tip every day, Monday through Friday. 
Whether you are using the Windows 7 beta or you’re just curious about the next Windows release, here’s a good opportunity to explore some of the …