I planted some cascade and willamette on the side of my house last year. They came right up. Not too strong or fruitful, but I wasn't expecting them to be because I planted them late, and I was told that the first year doesn't usually produce well anyway. If they come in better next year, I'll try to brew with them.
I went to a Fresh Hop fest last year, and now I've got the bug to try it. A bunch of local breweries (I think around 8) had to come up with a beer using only fresh hops, and only a single variety. Sure, nothing was very complex, but there were some really interesting beers. Also, it gave you a chance to taste the difference in hop varieties pretty clearly.