Web pages should have very little effect on the CPU load, unless it's some flash animation or something.
What's it like when you are loading programs?
BTW, how can you have dual channel RAM with your socket 754? The memory controller in a 754 doesn't even support dual channel.
CPU: Intel i7 2600k @ 4.4 GHz
Cooler: Cooler Master V8
Mobo: ASRock Z68 Extreme3 Gen3
RAM: Corsair Vengeance 16 GB DDR3 1600 MHz
GPU: EVGA 560 Ti
HDD: Cruicial M4 SSD 128 GB
HDD 2: WD VelociRaptor 300 GB
PSU: Corsair TX650w
Case: Corsair 600T Graphite Series