If I type a command, say "line", it takes a full 3 seconds before the mouse will respond to any input. Then I can proceed to pick points with a brief lag in response after each click. Oddly, if I click the "line" button, the initial pause in response is much shorter, however, the pause after each successive click seems a bit longer. 

This is on a Dell Precision M4500, quad core i7, less than 3 years old, still under warranty, and all drivers have recently been updated to the very newest. This is running Windows 7 x64.

This happened both under the previous version of DraftSight, and also I just downloaded the newest version, and it still happens. 

I use AutoCAD professionally on a daily basis, and would entertain switching to DraftSight, but not at the expense of 3 seconds per command. If DraftSight is trying to lure us away from AutoCAD and entice us to move up to their higher end software, this is not the way to do it. This is the sort of thing that will make us run away from DraftSight and never look back. 

Any ideas?