And just in case I apologize if anything was mentioned or if this is under the wrong category.
Important!: If you want to try this you MUST have NVIDIA drivers.
Performance Fix
Ok to start off I noticed a few people have trouble with lag/slowdown when multiple units are selected.
I had this problem myself and turned off PhysX. This improved my performance by a lot.
To do this turn on the NVIDIA Control Panel by right clicking and selecting "NVIDIA Control Panel"

Once it's open it should look something like this...

Then click on "Set PhysX configuration"

Once on the page click "Disable" and then apply your settings.

Slight Graphics Fix
Now for a few graphics improvements using the Nvidia Control Panel
These allow you to max out the games "Default" graphics and allow the NVIDIA Control Panel to make those graphics look even better such as adding AA among others.
Repeat the above steps to simply open the NVIDIA Control Panel
Then click on "Standard" and a drop down menu should appear.

Click on "Advanced"

Then click on "Manage 3D Settings"

Click on "Program Settings"

Now click on the drop down box labeled as 1 and find "Emergency 4" which is labeled as 2.

These are the default settings

And here are the settings you need to have in order to use the NVIDIA Control Panel to it's full potential (NOTE: If your game becomes slow because your computer can't handle it but you still want superior graphics only lower "Anisotropic Filtering", "Antialiasing - Settings", and the "Antialiasing - Transparency")

Here is the lower portion of the settings once again to use the Control Panel to it's full potention (NOTE: Out of these settings you can lower everything or turn them off if your computer can't handle it)

Don't forget to click apply

Also if at any point you want to put all the settings back to their original settings just click restore.

Resolution Tweak
Here is a Resolution fix I was promising all day
Open up "My Computer" and go to Drive (C:)

Open up "Program Files (x86)"

Find a folder called "Wizard Works"

Find a file called em4 or em4deluxe (You will only have one of these)

Copy and past it in case you make a mistake.

Right click and select "Open with..."

Select "Notepad" (or if you have it "Notepad2"thanks to Xplorer4x4 for bringing this up)

A file with lot's of gibberish should pop up

Press Ctrl+F. Find should pop up

Type in xres and click find next.

Find the two values of xres and yres

Change the numbers to your resolution (mine is 1920 by 1200)

Save and your done!

The copy was made as a backup in case you make a mistake or it wont start. You can just copy it back to retry or just leave it and not mess with it any more.
Camera fix can be found in the L.A. MOD FAQ
If you have any problems just post it here or PM me.
I will also be making a tutorial for ATI soon (im getting an HD 5870).
Have fun!
