Anyone have any experience setting up scalable tests using multiple browser/system configurations using Selenium RC/PHPUnit?

Question

Hello. I'm attempting to set-up some tests in Selenium RC that I can quickly specify which browsers I want to target, without having to copy/paste into each test.

Here is a sample test:

class WebTest extends PHPUnit_Extensions_SeleniumTestCase
{
    public static $browsers = array(
        array(
            'name'      => 'Firefox on Windows',
            'browser'   => '*firefox',
            'host'      => 'localhost',
            'port'      => 4444,
            'timeout'   => 30000,
        ),
        array(
            'name'      => 'IE7 on Windows XP',
            'browser'   => '*iexplore',
            'host'      => 'XPSTATION.DOMAIN.com',
            'port'      => 4444,
            'timeout'   => 30000,
        ),
        array(
            'name'      => 'Safari on OSX',
            'browser'   => '*safari',
            'host'      => 'MAC.DOMAIN.com',
            'port'      => 4444,
            'timeout'   => 30000
        ),
    );
    .... tests go below
}

I have a ini parsing function I'd like to use to populate the $browsers array, but I can't seem to determine how to pass my array into the $browsers property effectively.

Can someone share their experiences setting up a solution that can specify which browsers to test on without specifying within each TestCase? Thanks in advance.