How Windows 7 Ultimate Helps you?

I was a computer technician and an online earner..since my operating system is Windows XP sp3...I enjoyed using it, my computer is fast stable and reliable...but there is a tragedy when i wake up...my pc got corrupted some system files...i try to fix it but suddenly i fixed it but its not working properly so i tried to format it...

An emergency comes..my cd's are not working anymore and my last choice is Windows 7...and now i tried to install then it was succesfull but it eats a lot of physical memory..under my observation 2 to 3 days it came stable fast also although i dont have any video card on my system unit but i can play some games...and my internet connection become fast and i read some articles that windows 7 is already tweak itself...so thanks for that tragedy...now how's the story of you about windows 7..share it