Hola Ayuda

hola como podria darle mas rendimiento a mi ordenador k me aconsejais k sea economico no se k cambiarle para k me de mas rendimoento mirar este es mi odenador:

Manufacturer:
To Be Filled By O.E.M.
Processor:
AMD Athlon(tm) 64 Processor 3500+, MMX, 3DNow, ~2.2GHz
Memory:
1024MB RAM
Hard Drive:
160 GB
Video Card:
NVIDIA GeForce 8800 GTS
Monitor:
Monitor Plug and Play
Sound Card:
Realtek HD Audio output
Speakers/Headphones:
Keyboard:
Concentrador raíz USB
Mouse:
Concentrador raíz USB
Mouse Surface:
Operating System:
Windows XP Professional (5.1, Build 2600) Service Pack 2 (2600.xpsp_sp2_qfe.080814-1242)