I’ve been messing around with American Hallertauer Cultivars with my kolsch and, while there have been some good and interesting brews with Vangaurd, Mt Hood and Crystal, none have been as good as Hersbrucker or Mittlefruh for my tastes.
Mt. Hood has a piney character that I don’t care for. Haven’t tried Vanguard but made a Lite American Lager with Liberty and it was fantastic. I’ve made Oktoberfests with Liberty and Tetnang and they were great too.
I’ve never tried crystal hops in a Pilsner, but I have tried Mt. Hood and Hersbrucker. I love Hersbrucker it’s like candi, but on a Pilsner I would choose the Mt. Hood hop combination, because Hersbrucker is really smooth, where as Mt. Hood had a bite to it.