Because the Fidelio does away with any device-specific dock fittings, it can theoretically work with just about any Apple gadget from the past five years that makes use of a standard 30-pin connection. In practice, though, we had a dickens of a time trying to get the iPad 2's thinner, curved dock port to slide into place.
Our biggest complaint about the Fidelio is that its speakers face sharply upward, directing the best sound at the ceiling and not your ears. It sounds fine when your standing over it, but it's an unlikely listening scenario beyond the initial in-store demo. Move away from the speaker, and the sound becomes muddier, losing some of the treble fidelity