I do longer runs in Brooks and most normal runs in Asics. I have found the Brooks provide a much better base and stability for longer runs.
Brooks were always my first choice, just seemed to fit my feet better than anything else. Used them for both training and racing anything up to marathons. They really became my favorites when I had a pair break down quicker than expected so I mailed them back to Brooks with a complaint letter. About two weeks later, I received a new pair.