How far can I take this AMD System?

[tepez]

Hi,

I have the following system:

AMD Athlon XP 2600+ Barton (BOX)
Abit NF7-S
A-Data 256MB DDR400 CL2.5 * 2
ATI Radeon 9600Pro 128MB (Gigabyte)
Western Digital 80MB 8MB 7200RPM ATA 100
Compuecase 6A19

I use my comp mostly for game and I would like to overclock it.

How far can I take it without dangaring my comp?

cpu temp is 47C (117F)
mb temp is 30C (86F)
hdd temp is 37C (99F)
by Everest

gpu temp is 38C (100F)
by V-Tuner2