The Tesoro Excalibur SE Spectrum features Tesoro's new infrared optical switches co-developed with Gateron. This is a keyboard that aims to take customization to the next level, thanks to the ability to mix and match switches as per user preference. The choice is between linear and tactile/clicky switches that are rated to last longer than traditional mechanical switches with faster response times.
There is a lot of free Microsoft software to be had, programs which enable better web surfing and help protect against spyware are just two types. PCSTATS Tips