Computer Specifications

Hey people, think in the ever changing environment, I should start the help page first to run your machine as smooth as possible. I am not a professional but have quite a good experience of this thing.
Specs of machine I am using:-
System:
Intel Pentium (R) 1.80 GHz
1024 MB SDRam
Intel (R) 82845 Chipset with onboard Sound Card(AC97)
52X Samsung CD-R/RW
Multi X LG DVD Combo + Writer
Nvidia GeForce 6200 series (256 MB)
Samsung (20 GB + 80 GB) HDDs

O/S:
Windows Xp Professional
Version 2002
Service pack 3

Some Softwares i use:
AVG Anti Virus Free Edition
Avast Anti Virus 4.7 Home Edition
Dumeter
(to count my net exchange data)
Advanced System Optimizer + CCLEANER
(clean IE cache, Reg repairs, useless files etc etc)
Winamp v 5.35
(but with classic skin ,keep that cpu usage in mind)
Nero 8
(The best simply)
Spybot S&D
(Security)
Windvd
(For Mpeg -4 support)
Emule
(Hehe ,you know! Best P2P Software )
Eusing Free Registry Cleaner
(Does some wonderfull things with the registry)
Thats all folks---------------