Owner Reviews, Ratings, Comments and Criticism I HAVE 4YR OLD R-10 IN MY DEN,AND A 1YR OLD R-15 IN MY BEDROOM. THE R-10 IS SUPERIOR IN EVERY WAY!THE R-10 IS A TRUE DOUBLE TUNER.YOU CAN WATCH PROGRAM A ON TUNER '1' AND PROGRAM B ON TUNER'2'AND SWITCH BETWEEN THEM WITHOUT LOSING THE ABILITY TO BACK-UP,AS MUCH AS 30 MIN.YOU CAN PAUSE THE SHOW YOU ARE WATCHINGAND SWITCH TUNERS TO CHECK THE SCORE ON A BALL GAME,RETURN AS MUCH AS 30 MIN.LATER AND YOUR ORGINAL IS JUST WHERE YOU LEFT IT.YOU CAN REC.TWO PROGRAMS AND WATCH A THIRD FROM YOUR PRE-RECORDED LIST.THE R-10 PROGRAM GUIDE IS BETTER. THE SINGLE ADVANTAGE OF THE R-15 IS YOU CAN PAUSE OR BACK-UP 90MIN. I INTEND TO REPLACE MY R-15 WITH A R-10 SOON.THE R-10'S OPERATION IS ALSO MUCH,MUCH MORE INTUITIVE,VERY SIMPLE TO OPERATE.