I recommend you and your bro to go up to lovers leap and set up a top rope on Hospital Cornerer. Drytooling that thing would get you dialed for alpine!
East Ridge of Round Top Crescent Moon Couloir Mt. Tallack is awesome, there are several routes on it to ur desire. climb Eagle lake buttress in crampons by the 4th class way maybe. go to lee vining and TR/mock lead/lead based on your comfort.