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I know you all'll probably think I'm crazy again, but these old Microsoft mice are seriously good mice. I've used peoples' "Gaming" computers with their fancy mice but it's hard to beat one of these. These Microsoft mice track on virtually any surface. have great sensitivity, and feel comfortable. The only problem is they don't have the scroll wheel, but I can live with that.
I think that is the one I had :)
Most professional gamers use a basic Microsoft optical mouse. There is definitely a lot of hype over crappy over-rated gaming mice. That said, some gaming mice make great general purpose mice, like the Logitech MX518.
each sensor is unique, see
here. the companies that manufacture optical and laser sensors ie Avago, Philips, PixArt, Cypress, etc have commercial sensors, wireless sensors, gaming grade sensors, etc you won't find these sensors in standard mice they are gaming grade designed to meet the needs of Razer, Logitech, steelseries, etc. there are video cards designed for many applications such as television, multimedia, developing, gaming and the ones designed for gaming have different gpu, clocks, memory, shaders, features, etc. same thing with gaming grade sensors.
the Microsoft Intellimouse Explorer 3.0 and Wheel Mouse Optical used to be great mice but they can only scale to 400 DPI which isn't enough for high resolutions.
the Logitech MX-518 Rev 2 sensor is bottlenecked it's recommended to scale down the sensor to 400 DPI, overclock the polling rate to 500Hz and do not install Setpoint. a member at OCN received a Logitech MX-518 Rev 2 from RMA and was angry when I told him about the sensor being bottlenecked so he messaged a Logitech engineer on their forum and this was the response.
"Many people confuse accuracy with DPI. DPI is a marketing term for CPI(counts per inch) and it only determines the speed of the cursor.
You have to look at the image processing specification of a mouse, if you want to know if its accurate or not. In mice, FPS(or megapixels p/second) essentially means the number of pictures the sensor takes when you move it. The more pictures, the more accurate reading of your movements.
And ofcourse settings are important too. If you play at wrong settings, your mouse will skip also.
Such as raising your windows speed. Lowering your windows speed to compensate with the dpi your using is ok, but higher it will make you skip pixels.
The new mx518 only skips afaik at high dpi. On 400 dpi(lowest), its just as good as the old one. "
he does not give a response to the bottleneck but admits the Logitech MX-518 Rev 2 skips. two sides are saying scale down the sensor to 400 DPI for optimal performance. it doesn't matter now because it's a hardware problem not software and Logitech has stopped manufacturing the Logitech MX-518 series.