A new version of professional hardware information tool HWiNFO32 has just been released.
The following changes have been done in version 1.59:

Added recognition of SiS 55x Integrated CPU.
Added nVidia GeForce 6800 GS (NV40-based) and GeForce 6800 XT (NV48-based).
Added S3 GammaChromeS18, XM18, Chrome 23D, XM23D, S25A, XM25, S27C, XM27C and XM27A.
Added reporting of Intel Processor numbers for Prescott, Smithfield, Paxville MP, Cedar Mill, Presler, Dempsey, Banias, Dothan and Yonah.
Fixed report of max. frequency for Dothan 400 MHz FSB.
Updated AMD K8 family internal PCI register details.
Fixed GPU clock report for ATI R5xx family.
Fixed current CPU multiplier for Yonah family.
Added support of ATI R5xx GPU I2C bus for sensors.
Added VIA P4M890 chipset.
Added Intel 945GT chipset SKU.
Fixed report of memory timing parameters for i9xx chipsets in single-channel mode when only chB is populated.
Added recognition of R580 family, RADEON X1900 XL model and RS600 chipset.
Added support of Abit MicroGuru2005 sensor.
Improved identification of Gyrix GXm CPU.
Added nVidia G72-based GPUs: GeForce 7300 LE, Quadro FX 350, GeForce 7300 GS.
Added preliminary recognition of Intel Broadwater chipset.
Added identification of LGA771 socket for Dempsey and improved S603/604 identification for Xeon family.

More info and download @ HWiNFO(32) Homepage