try Hop Rhizomes. Looks like they accept preorders. I read that there are newer varieties developed after liberty that are more favorable I guess, basically its going to be harder to find.
thymegarden used to have crystal. I have no idea about vanguard. Seems that you really like hallertau crossbreeds. If you don't already have these you might want to try mt.hood, sterling (maybe), Santiam, spalt or spalt select, and ultra. freshops is already sold out of ultra.