I just ordered a Wizzy 12" cabinet from Bass Central. I live in Pittsburgh, which has nothing in the way of bass stores, so I have not actually tried one yet. I based my decision on several factors: (1) I am not thrilled about tweeters as they seem to add an unnatural clack to my sound and the Wizzy has no tweeter but still has good high frequency response (on paper). (2) The Wizzy is extremely light and compact, yet has excellent frequency response and a high sensitivity rating (loud). (3) I have researched threads about the Wizzy on this forum and have found many positive reviews. I should be receiving the cabinet on Thursday and will give you my initial thoughts upon receipt of the cabinet. I will be running a Roscoe 5-string and a Fender Jaco Pastorius fretless bass through a GK 1001 head into it. I will be gigging with it on Saturday as well.