On the other hand, I hope they're very partisan during the speech by also observing that silence is golden and not getting up once to applaud no matter what Obama says unless it's his immediate resignation.
As far as the independent vote goes, The Republicans get a twofer from the President’s joint session speech. Independents can watch Obama present his stimulus plan which they are on record as polled opposing and watch Dem Congresscritters cheer every line of the stimulus speech. If I were Boehner I would invite Obama to speak every day to the joint session on the principle that when your opponent is busy digging a deeper ditch, you do not take the shovel away