Apparently I answered my own question above without even realizing it. You can have multiple queues and specify which one you want to push the message to by using a connection method.
Here's what my partial config looks like for anybody that's interested:
'default' => 'sqs',
'connections' => array(
'sync' => array(
'driver' => 'sync',
),
'beanstalkd' => array(
'driver' => 'beanstalkd',
'host' => 'localhost',
'queue' => 'default',
),
'sqs' => array(
'driver' => 'sqs',
'key' => 'xxxxxxxxxxxx',
'secret' => 'yyyyyyyyyyyyyy',
'queue' => 'https://sqs.us-west-2.amazonaws.com/zzzzzzzzz',
'region' => 'us-west-2',
),
'sqs2' => array(
'driver' => 'sqs',
'key' => 'uuuuuuuuuuuuu',
'secret' => 'vvvvvvvvvvvvvvvv',
'queue' => 'https://sqs.us-west-2.amazonaws.com/wwwwwwwwwww',
'region' => 'us-west-2',
),