A new version of GPU-Z is out! Grab it if you want to use the latest and greatest - http://www.techpowerup.com/downloads/1698/mirrors.php
I really like that they added a sensor to show how much memory is being used on the video card. I was shocked to see that on the Windows 7 desktop with nothing else open that the GeForce GT 240 512MB video card was using 105MB.
0.3.7 Change log:
* Added Infotips for sensors
* Fixed crash when ATI ULPS CrossFire enabled
* Added full support for ATI HD 5970 (Hemlock)
* Added full support for NVIDIA GeForce GT 240 (GT215)
* Added "ULPS active" note to CrossFire status when ULPS active
* Fixed overclocks via CCC not showing correctly
* Added checkboxes to show availability of CUDA, PhysX, OpenCL and DirectX Compute
* Improved memory type detection for GT 216, GT 218
* Added voltage monitoring support for HD 5770
* Disconnected fan now shows correctly in sensors (when detectable via hardware)
* Improved accuracy of ATI GPU load monitoring
* Added detection for ATI RV380/RV530 cards relabeled to NVIDIA 9400/9500/9600 GT
* Added support for NVIDIA 9300 SE, NVS450, GT 240, GTS 250M, G102M
* Added support for Intel G41