Restored My Computer, Please tell me what to delete, download, etc.

I deleted Wild Tangent and Norton from my Add/Remove.
I downloaded Zone Alarm Pro trial, Avast Home Edition, and Mozilla Firefox.

My Desktop has:
Recycle Bin
Internet Explorer
AOL Free 6 Months
Documentation & Support
Games, Music, & Photos
Internet Service Offers
Media Center
Windows Media Player
Microsoft Works (I did that)

The icons on the bottom right of my screen are:
Google Desktop index update in progress
Local Area Connection
NVIDIA Settings
Volume
Safely Remove Hardware
Windows Security Alerts
The clock

My Add/Remove has the following:

Adobe Reader 7.0.8
America Online (choose which version to remove)
AOL Coach Version
AOL Connectivity Services
Banctec Service Agreement
Broadcom Management Programs
Conexant Modem
Corel Snapfire Plus
Dell Cineplayer
Dell Network Assistant
Dell Support 3.2.1
Dell System Restore
Digital Content Portal
Digital Line Detect
Documentation & Support Launcher
Earthlink Setup Files
Educate U
ESPN Motion
Games, Music & Photos Launcher
GemMaster Mystic!
Get High Speed Internet!
Google Desktop
Google Toolbar for Internet Explorer
High Definition Audio Drive Package
Internet Service Offers Launcher
J2SE Runtime Environment 5.0 Update 6
Learn2 Player (Uninstall only)
Microsoft .NET Framework 1.1
Microsoft Office Small Business Edition 2003
Microsoft Plus! Digital Media Edition Installer
Microsoft Plus! Photo Story 2 LE
Microsoft Works
Modem Diagnostic Tool
NetWaiting
NVIDIA Drivers
Otto
QuickTime
RealPlayer Basic
Roxio DLA
Roxio RecordNow Audio
Roxio RecordNow Copy
Roxio RecordNow Data
SearchAssist
Sonic Encoders
Sonic Update Manager
URL Assistant
Viewpoint Media Player
Windows Installer 3.1
Yahoo Music Jukebox

My Control Panel:
(I’ll list everything if you want) includes Windows Firewall and Java Sun.