Mouse Tracking Problem

I've had my mac for quite a while and one of the only problems I have is with the mouse's acceleration. I know how to turn the speed up in sys. prefs. and the speed once I get it moving is fine. Except you can notice that as you move the cursor slowly it only moves very slowly on screen. And the same for faster quite obviously. The point here is that when you go to move the cursor to where you want it slows down dramatically as you reach the desired position, instead of maintaining its velocity despite the mouse's actual speed.
Is there someway to override this inconsisent acceleration/tracking speed. Sure the default way the mouse tracking speed is set in osx is great and moves rather smoothly, I would prefer it to move rigidly.
There have been other posts on this problem, none of which were resolved easily or without purchasing 3rd party apps. Please clearly read this issue I and other experience thoroughly so that this post doesnt end up with bad resolutions as others have. Thanks very much for your help in advance, and feel free to ask any questions if I've been unclear in what I'm actually asking.

The following from: http://forums.macosxhints.com/
Okay. I went back and found an old trick that never worked for me before but now it does. You need to edit the user/library/preferences/.globalpreferences.plist. This file is invisible. What I did was open it with SNAX (it can show invisible files) by dragging the pref file onto TextEdit's Dock icon. You could also use TinkerTool to make the file visible or perhaps do the whole thing in the Terminal.
Look for a couple lines that looks like this:
<key>com.apple.mouse.scaling</key>
<real>1.000000000000000e+00</real>
[the first digits might be "1.7" or something depending on how you've got your mouse speed set]
Change the last part to look like this:
<real>1.000000000000000e+05</real>
This should bring the acceleration tracking curve to "normal." You can try changing the first part to speed up the mouse like this:
<real>4.500000000000000e+05</real>
You need to log out for the changes to take effect. If you go to the mouse System Preference and change a thing it will overwrite your changes and you're back to square one. I'm not sure that I've had much success in changing the mouse speed but the more annoying thing, the weird acceleratin curve, is fixed.

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