Like I mention it came back to something I was reading on a comparison between windows and IOS and the apparent responsiveness. While true that effect isn't obvious in windows explorer or at not to a noticeable degree, at the back of my head I was thinking that it maybe a compounded effect where something in the implementation + standard (I think Standard) windows behaviour was causing a more noticeable delay. Again i full expect Steven to come along and say "Nope nothing to do with that"
I can't find the actual article i was reading but this one is close enough and whiles it about tablets it is still ref'ing Win7
http://www.techradar.com/news/computing-components/intel-windows-7-tablets-can-outperform-ipad-2-961563"The iPad has a reaction time of around 15 milliseconds, so you barely notice the lag between moving your finger and the screen moving. In Windows tablets programmers have been unable to get the response time below 200ms.
Essentially it's all down to the fact Windows is a mouse-centric OS. The reason the 200ms time has become a barrier is because that's the amount of time the OS waits before executing a single click order.
Why? Because it needs to wait around to see if there's going to be a second click..."