I've used WLP830, WLP833, WLP820, WY2124, WY2206 and just recently, the Lager X. Hoever, I think I've decided to stick with the WY2206. It just "hits the spot" for me. I brew 10 gals. of an O'fest yearly and usually a Dunkel, German Pils or a Schwarzbier. It does well by me.