Honestly, I'd recommend some of the NA beers that are being brewed these days over the hop sodas / hop waters. Hop water has no balance, and hops are all about being balanced out with something sweet/malty. NA beer has come a _long_ way from the days of O'doul's. Sierra Nevada Trail Pass is a personal favorite of mine when it comes to good, hoppy, non-alcoholic beers. Lots of classic "C" hop flavors (i.e. somewhat piney hop varieties from the NW US).
But if you don't like beer and just want to get a sense of what hops are about, look at some of the options from Hoplark or similar. Those are single-hop hop waters that focus on showcasing the flavor of a specify variety. They're a good sense of the flavors, but I still find hop waters in general to be unbalanced and a bit hard to drink.