Re: Bogging to a crawl
When you next log in, open a console and enter "top". Then just let that console run, and use another virtual desktop to do your browsing/video viewing. Or you can minimize the console window, but if the response is getting so slow, you'd like to be able to immediately see what top shows as the busiest process. That will give a clue where the bogging is happening.
Intel Core i7-950 / Asus P6X58D-E / Nvidia GTX480 / siduction 64-bit on OCZ Revodrive SSD / KDE4.10.2/ Kubuntu 13.04