Things I installed after formatting Hard disk drive. Just check the list, except Winrar (it is a shareware), 25 Freewares, which completes my requirments.
1. Service Pack 3
2. McAfee Security Center Special edition from AOL
3. IE 8 Beta
4. Opera 9.5
5. Firefox 2 ( Add-ons - Mouse gestures, Web developer tool bar)
6.Notepad++
7. Winrar
8. Irfan View
9. pixie
10. Pixel Ruler
11. Direct X 9
12. CCleaner
13. GOM Player
14. AVS DVD player
15. Media Player 10
16. Flash Player
17. QT Tab Bar
18. Digsby
19. Windows Live writer
20. Windows Live Mail client
21. Feed Demon RSS feed reader and synchronizer
22. Filezilla FTP client
23. Winamp
24. Free Download manager
25. Open Office
26. paint.Net
So that's all, may be installing few more things when i need, but for now, it fills my requirements.
Also for gaming i got
1. Portal: First Slice, 11-level demo
2. Half-Life 2 Lost Coast
3. Half-Life 2 Death Match and
4. Peggle Extreme
(All 4 Free it is here http://www.steampowered.com/nvidia/ )