Out of nowhere, my Droid Charge has been getting mighty laggy. Anyone else notice a change in the phone after about 3 weeks of use?

Edit:
Hay found a fix for it.

Mine has also become extremely laggy. I've done a full factory reset at the recommendation of VZW guys to no avail. It's gotten to the point where it has begun to turn off on its own after no response. This is happening in random apps from games to text messaging.

Generally that means that something is eating up the CPU and memory. What apps have you installed lately or updated? I would suggest a factory reset and then a one by one install of the apps you like and use. Since you stated it was all of a sudden I would be that one of them is the problem and not the phone itself.