I HAD A HD 23 KEPT REBOOTING SO I CALL DIREC AND TODAY I CALL BACK AND FOUND OUT I BE GETTING A HD 21 IS THIS RECEIVER A GOOD RECEIVER?I HAVE THE HD 23 IN THE BEDROOM AND I HAVE THE MRV SET UP.I,M THINKING ABOUT BUYING THE HR 25.I HAD THE HD 23 AND IT DONE REAL GOOD TILL LAST WEDNESDAY. I TRY EVERYTHING THE TECH TOLD ME TO TO GET IT TO WORK.