My percussor pooped out on me. I do have the vest so I will have to use that in the mean time (I don't like using it though-very uncomfortable). The percussor I have is a Puritan Bennett Model 9000 which I don't think is made anymore. I just wondered for those of you that use percussors, do you know if one brand is better than another? I have had this percussor for many, many years and am kind of out of the loop as to the cost and how the new ones work. Also, do you know if insurance will usually pay for them? Any info you can give me would help. I'm going to have to make a decision here soon and get one. Thanks!!