I don't get to this place nearly as often as I'd like, due to being on the opposite end of town, and I won't be in attendance tonight for the second half of this, but some very solid brews to be had: http://www.spokane7.com/blog/2016/mar/10/four-years-big-beers/
I'd love to try it, but right now all my resources are going to the current NBS BIF. I have had the standard Gulden Drak in bottle form, and can certainly attest to it's greatness.