Angels egg was extremely overrated. I watched it all and felt like my time was wasted. Was recommended to me cus my favorite anime is serial experiments lain. They aren't even comparable.
Texhnolyze, paranoia agent, mind game, shinsekai yori... I'd recommend many anime to someone who likes lain, but probably not angel's egg. I don't agree that it's bad, but it's far more arthouse and understated than most anime, which is meaningful compared to the era it emerged from.