Saw them in April of '79. They only had their first 2 albums out at that time so we didn't have to go through the Third Stage stuff. Sammy Hagar was the warm up, great show. I've thought about seeing them again but wondered if it would even come close to what they had Brad Delp.
I saw them back in 08 when DeCarlo had just joined them on their first tour, post-Delp. Sounded pretty good for some dude from Home Depot. Michael Sweet from Stryper split time with DeCarlo since he wasn't in shape, vocally yet.