Just thought I'd add that VLC has a great converter built into it. One more reason it's the best out there!

mixero (10)- A twitter client which takes up just a little bit of screen real estate. Check out its Avatar feature in the vid. It's truly amazing.

Precision, ELEET, 7-ZIP, Firefox, Fraps, Steam for me!

For me this is my list.
 
1. Steam
2. Photoshop CS5 Standard
3. Lightroom 3.3
4. Magix Movie Edit Pro 17
5. Eset Smart Security 4
6. Office 2007 SBE
7. Virtual Box
8. Stellarium
9. Milkshape 3D
 
That's it for me for must have apps.

CCleaner
MSI Afterburner
M.S.E.
Steam
Auslogics defrag
Firefox
xfire
AnyDVD
NERO essentials
WinRAR
cpu-z
That's all I can remember for now...

On a scale of 1-10, Ninite is an 11! The Easiest, Fastest Way to Update or Install Software
http://ninite.com/
 
No Clicking Next
Ninite fully automates installers offscreen.
 
No Toolbars
Ninite automatically says "No" to toolbars and other junk.
 
Always Up-to-date
A Ninite installer always gets an app's latest version no matter when you made it.
 
It Updates Too
Just run your Ninite installer again and it will update the apps to their latest versions.
 
No Signup
Ninite just works. No account, signup, or client needed.
 
32 and 64-bit
Ninite installs the best version of an app for your PC.
 
International
Ninite installs apps in your PC's language.  
 

1. 3Connect - Software used to connect to the internet i.e Mobile Broadband.
2. Firefox
3. Teamspeak 3
4. Steam
5. folding@home
6. Avast Anti-Virus

ccleaner

No particular order
Microsoft Office 2010
iTunes
AnyDVD HD
CloneDVD
Norton 360 Ver. 5
Malwarebytes Anti-Malware Pro
Cyberlink Multimedia Suite 9
EVGA Precision
AIDA64 Extreme Edition
Stardock Object Dock & Dreamscape
3DMark 06, 11, & Vantage
Yamicsoft Window 7 Manager
Spyware Blaster
uTorrent
DirecTV2PC 
Firefox (the only way to surf the internet)
And Games :-) among other things.
 

1. NVIDIA Control Panel : 3D Settings , Display , FirstPacket. (10)
2. GIMP : image retouching and editing tool. (9)
3. Creative control panel : 3D settings or music. (7) 
4. Adobe : player and pdf reader. (5)
5. K-Lite Codec Pack : audio and video codec for windows. (6)
6. Partition Wizard Home Edition : USB flash drive recovery software. (10) 
7. HWiNFO64 : Temperature, FAN Speed, Core Clk, VID etc. Monitoring. (8)