HEY I AM NEW IATN. HAD A QUESTION, I HAVE BEEN USING MITCHELL (SHOPKEY) FOR COUPLE YEARS. THINKING OF USING ALLDATA. I USED BOTH IN SCHOOL AND WAS WOUNDERING IF YOU GUYS CAN GIVE SOME INSITE. WHICH YOU THINK IS BETTER, AND AS TO BENEFITS TO THEM. BEEN READING ... Login to read more.