Compare Windows 7 Home and Professional Edition.

I know you want Windows 7 but still hesitant to upgrade. Let me share you what I found from Windows7.com website.

Top 10 reasons to move from Windows XP to Windows 7

1. Get quicker access to all of your stuff. Use Pin and Jump Lists to keep the programs and files you use the most right at your fingertips.
2. Manager open windows easier. Resize and arrange windows simply by dragging their borders to the edge of your screen.
3. Quickly find what you're looking for. Use Windows search to find a specific file, program, or email in a few seconds.
4. Share files and printers among multiple PCs from one Windows 7 based PC to another, you can share files, music, photos, and even printers across your home network.
5. Stay entertained effortlessly with Windows Media Center you get one place to enjoy your photos and music, watch and record live TV, and watch free Internet TV.
   
   
6. Easily create and share movies, create great looking movies and slideshows, share them on YouTube in minutes.
7. Connect to networks easily, view and connect to any available wireless network in as few as three clicks.
8. Do more and wait less, improvements that can accelerate sleep and resume, and make your PC more responsive help you get more done.
9. Don't leave programs behind, run many Windows XP productivity programs in Windows XP Mode.
10. Offer your PC better protection, help keep your PC and your information, and your family safe.

Sounds good huh!

Choose the Windows 7 edition that is best for you.

Installing Windows 7? Read this first.

Features		Windows 7 Home Premium	Windows 7 Professional	Windows 7 Ultimate

Estimated Retail Pricing (ERP) for upgrade license.		Buy now$119.99	Buy now$199.99	Buy now$219.99
Make the things you do every day easier with improved desktop navigation.
Start programs faster and more easily, and quickly find the documents you use most often.
Make your web experience faster, easier and safer than ever with Internet Explorer 8.
Watch, pause, rewind, and record TV on your PC.
Easily create a home network and connect your PCs to a printer with HomeGroup.
Run many Windows XP productivity programs in Windows XP Mode.
Connect to company networks easily and more securely with Domain Join.
In addition to full-system Backup and Restore found in all editions, you can back up to a home or business network.
Help protect data on your PC and portable storage devices against loss or theft with BitLocker.
Work in the language of your choice and switch between any of 35 languages.

Source: Windows 7 Compare Editions.

For Home use, obviously you need to have Windows 7 Home Premium. For Business, you should get the Windows 7 Professional for you to connect to your company network and join to your existing domain. The Windows 7 Ultimate provide additional security for your data using BitLocker encryption. Enjoy your new operating system.