RockSolidWes - 8:37 pm on Jun 27, 2006 (gmt 0)
I think the max is 50,000 keywords. If you have an account manager, you should e-mail or call your account manager and see if they can increase your limit. You may try using the 'contact us' link inside the AdWords interface and ask them for an increase, but that will usally take some time before they can review your request. If all else fails, just open up a new account.