BLACK2014
AIDA64 Extreme is a streamlined Windows diagnostic and benchmarking software for home users. AIDA64 Extreme provides a wide range of features to assist in overclocking, hardware error diagnosis, stress testing, and sensor monitoring. It has unique capabilities to assess the performance of the processor, system memory, and disk drives. AIDA64 is compatible with all current 32-bit and 64-bit Microsoft Windows operating systems, including Windows 8.1 Update 1 and Windows Server 2012 R2 Update 1.
If you previously purchased it and your maintenance has expired you can get an even bigger discount. Go to the License Renewal and enter your license key to validate. http://www.aida64.com/aida64-renewal Then enter the BLACK2014 code.
I got a 3 year renewal for $35. I suppose I didn't really need to renew but I got a new laptop which the old version didn't recognise some of the hardware. All good now.
Once upon a time I was young and mad about building rigs, so I used AIDA a lot. It was/is a great all-in-one utility but for those who are on a budget, here are a few freebies:
For system diag/info:
PC-Wizard
http://www.cpuid.com/softwares/pc-wizard.html
(or use their CPUID/GPUID utilities)
For CPU/mobo stress-test:
IntelBurnTest
http://www.majorgeeks.com/files/details/intelburntest.html
For GPU stress-test:
Furmark
http://www.ozone3d.net/benchmarks/fur/