CPU-Z is a freeware that gathers information on some of the main devices of your system.
CPU
•Name and number.
•Core stepping and process.
•Package.
•Core voltage.
•Internal and external clocks, clock multiplier.
•Supported instructions sets.
•Cache information.
Mainboard
•Vendor, model and revision.
•BIOS model and date.
•Chipset (northbridge and southbridge) and sensor.
•Graphic interface.
Memory
•Frequency and timings.
•Module(s) specification using SPD (Serial Presence Detect) : vendor, serial number, timings table.
System
•Windows and DirectX version.
Download:
http://www.cpuid.com/download/cpuz/cpuz_153.zip
GPU-Z
GPU-Z is a lightweight utility designed to give you all information about your video card and GPU.
Main Features•Support NVIDIA and ATI cards
•Displays adapter, GPU and display information
•Displays overclock, default clocks and 3D clocks (if available)
•Validation of results
•No installation required
•Support for Windows 2000 / XP / Vista / Windows 7 (both 32 and 64 bit versions are supported)
Download:
http://www.techpowerup.com/downloads/1761j/GPU-Z.0.3.9.exe
Core Temp
Core Temp is a compact, no fuss, small footprint program to monitor CPU temperature.
Now Windows Vista and Windows 7 ready! (x86 and x64)
The uniqueness of it is that it shows the temperature of each individual core in each processor in your system! You can see in real time how the CPU temperature varies when you load your CPU. It's also completely motherboard independent.
Download:
http://www.alcpu.com/CoreTemp/CoreTemp32.zip
thnx 4 sharign 
