"So far so good"4.5 starson by metis.samurai
Pros: Good sound Good volume
Cons: Certainly not 'portable' in the true sense of the word
Summary: After weighing my options to bump up the sound on my MacBook when I'm working at home it came down to these and the Bose Companion II I decided to go with the cheaper of the two especially since the Bose reviews were often less than flattering.
There are not many reviews for these, one indicated that they hissed another said that they distorted at higher volumes I don't seem to have either of these problems and others raved that these were the best in class. With no personal experience with alternate choices I can't say that they are the best but I am certainly pleased with my purchase.
PS: This Canadian reviewer paid less than $100 from an online retailer and just noticed that Apple US sells them for $79.95.