PC Decrapifier is a tool that is capable of uninstalling and erasing all of those preinstalled applications from your system.
Do any of these sound familiar? Norton Antivirus, Sonic RecordNow, Symantec Live Update, Dell Search Assistant, Norton Ghost, Roxio RecordNow... this program can get rid of those and close to 50 others.
Be careful! You don't want to delete any important programs by accident, so be sure to choose wisely. You can view the complete list of programs handled by the application here.