Instead of using Chrome, I suggest using Chromium browser if you don't want to go back to Firefox. Chromium browser (developmental Chrome essentially) still lets you install non-official scripts. (Edit: Is Chromium easy to install on windows? Maybe not ...)
There are some numbers on this page, but I worry that they aren't 100% correct (the VPB is correct, but these numbers were done before).
https://sites.google.com/site/glbmandyross/training_hotspotshttps://sites.google.com/site/glbmandyross/multi4wayhttps://sites.google.com/site/glbmandyross/intensehttps://sites.google.com/site/glbmandyross/normalhttps://sites.google.com/site/glbmandyross/light