For the "jerkiness," I was talking about rotating and panning and such. But some of it is a result of using the mouse wheel, which is not a smooth, continuous operation. Much of the jerkiness stems from having to move the finger on and off the wheel.
Ed Kolis said:
Let's hope nobody gets the two confused LOL... I mean SE4 is a great game but if you're expecting a graphical treat along the lines of SE5, well it might be a bit of a disappointment 
The next few months on the forums are going to be very interesting...