I actually find it kind of funny that since Hagar's departure the notion that the DLR era was always considered to be better has grown to such proportions.
When Sammy Hagar joined Van Halen, the consensus of most hard rock fans I knew was one part confusion over Hagar giving up a solo career that had just hit its commercial peak and nine parts HOLY SHIT THIS IS GOING TO BE AWESOME. Back then, this was a music landscape changing event, the sort of thing that hadn't happened since, arguably, Joe Walsh joining the Eagles. There wasn't a debate over who was better for the band, because back then, it was strictly no contest. Sammy Hagar was easily an upgrade over David Lee Roth.
I saw Van Halen on the OU812 tour. One of the best concerts I've ever been to. No one in that crowd missed DLR, and I think all of them would be amazed that today the notion that preferring the Van Hagar days would be viewed as heresy. Sure know I do. Other than the debut album, which is a justifiable classic, I don't like any DLR album better than the Hagar ones.